525261040 has 40 divisors (see below), whose sum is σ = 1223256528. Its totient is φ = 209756160.

The previous prime is 525261031. The next prime is 525261041. The reversal of 525261040 is 40162525.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 525260996 and 525261014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525261041) 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 7 ways as a sum of consecutive naturals, for example, 46159 + ... + 56401.

Almost surely, 2^525261040 is an apocalyptic number.

It is an amenable number.

525261040 is an abundant number, since it is smaller than the sum of its proper divisors (697995488).

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

525261040 is a wasteful number, since it uses less digits than its factorization.

525261040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897 (or 10891 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 525261040 is about 22918.5741266773. The cubic root of 525261040 is about 806.8480054340.

The spelling of 525261040 in words is "five hundred twenty-five million, two hundred sixty-one thousand, forty".