706542525 has 108 divisors (see below), whose sum is σ = 1452265308. Its totient is φ = 327075840.

The previous prime is 706542517. The next prime is 706542533. The reversal of 706542525 is 525245607.

706542525 is a `hidden beast` number, since 70 + 65 + 4 + 2 + 525 = 666.

It is an interprime number because it is at equal distance from previous prime (706542517) and next prime (706542533).

It can be written as a sum of positive squares in 18 ways, for example, as 390378564 + 316163961 = 19758^2 + 17781^2 .

It is not a de Polignac number, because 706542525 - 2³ = 706542517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 706542525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 645879 + ... + 646971.

It is an arithmetic number, because the mean of its divisors is an integer number (13446901).

Almost surely, 2^706542525 is an apocalyptic number.

706542525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

706542525 is an abundant number, since it is smaller than the sum of its proper divisors (745722783).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706542525 is a wasteful number, since it uses less digits than its factorization.

706542525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 706542525 is about 26580.8676494956. The cubic root of 706542525 is about 890.6616823303.

The spelling of 706542525 in words is "seven hundred six million, five hundred forty-two thousand, five hundred twenty-five".