525872445 has 64 divisors (see below), whose sum is σ = 979292160. Its totient is φ = 236026368.

The previous prime is 525872429. The next prime is 525872447. The reversal of 525872445 is 544278525.

It is not a de Polignac number, because 525872445 - 2⁴ = 525872429 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525872397 and 525872406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525872447) 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 63 ways as a sum of consecutive naturals, for example, 1999384 + ... + 1999646.

It is an arithmetic number, because the mean of its divisors is an integer number (15301440).

Almost surely, 2^525872445 is an apocalyptic number.

It is an amenable number.

525872445 is a deficient number, since it is larger than the sum of its proper divisors (453419715).

525872445 is a wasteful number, since it uses less digits than its factorization.

525872445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its digits is 448000, while the sum is 42.

The square root of 525872445 is about 22931.9088826029. The cubic root of 525872445 is about 807.1609416606.

The spelling of 525872445 in words is "five hundred twenty-five million, eight hundred seventy-two thousand, four hundred forty-five".