525425245 has 4 divisors (see below), whose sum is σ = 630510300. Its totient is φ = 420340192.

The previous prime is 525425203. The next prime is 525425309. The reversal of 525425245 is 542524525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146967129 + 378458116 = 12123^2 + 19454^2 .

It is a cyclic number.

It is not a de Polignac number, because 525425245 - 2²¹ = 523328093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525425245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52542520 + ... + 52542529.

It is an arithmetic number, because the mean of its divisors is an integer number (157627575).

Almost surely, 2^525425245 is an apocalyptic number.

It is an amenable number.

525425245 is a deficient number, since it is larger than the sum of its proper divisors (105085055).

525425245 is a wasteful number, since it uses less digits than its factorization.

525425245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105085054.

The product of its digits is 80000, while the sum is 34.

The square root of 525425245 is about 22922.1562031149. The cubic root of 525425245 is about 806.9320745368.

The spelling of 525425245 in words is "five hundred twenty-five million, four hundred twenty-five thousand, two hundred forty-five".