245724525 has 72 divisors (see below), whose sum is σ = 464720256. Its totient is φ = 123868800.

The previous prime is 245724509. The next prime is 245724527. The reversal of 245724525 is 525427542.

245724525 is a `hidden beast` number, since 24 + 572 + 45 + 25 = 666.

It is not a de Polignac number, because 245724525 - 2⁴ = 245724509 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 245724525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245724527) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 532795 + ... + 533255.

It is an arithmetic number, because the mean of its divisors is an integer number (6454448).

Almost surely, 2^245724525 is an apocalyptic number.

245724525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245724525 is a deficient number, since it is larger than the sum of its proper divisors (218995731).

245724525 is a wasteful number, since it uses less digits than its factorization.

245724525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 595 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 245724525 is about 15675.6028592204. The cubic root of 245724525 is about 626.3486822631.

The spelling of 245724525 in words is "two hundred forty-five million, seven hundred twenty-four thousand, five hundred twenty-five".