525772140 has 48 divisors (see below), whose sum is σ = 1474031328. Its totient is φ = 140027904.

The previous prime is 525772139. The next prime is 525772147. The reversal of 525772140 is 41277525.

It is not an unprimeable number, because it can be changed into a prime (525772147) 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 15 ways as a sum of consecutive naturals, for example, 46044 + ... + 56316.

It is an arithmetic number, because the mean of its divisors is an integer number (30708986).

Almost surely, 2^525772140 is an apocalyptic number.

It is an amenable number.

525772140 is an abundant number, since it is smaller than the sum of its proper divisors (948259188).

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

525772140 is a wasteful number, since it uses less digits than its factorization.

525772140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11138 (or 11136 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 525772140 is about 22929.7217601959. The cubic root of 525772140 is about 807.1096190587.

The spelling of 525772140 in words is "five hundred twenty-five million, seven hundred seventy-two thousand, one hundred forty".