525158272 has 64 divisors (see below), whose sum is σ = 1075332960. Its totient is φ = 255375360.

The previous prime is 525158243. The next prime is 525158297. The reversal of 525158272 is 272851525.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803898 + ... + 804550.

Almost surely, 2^525158272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525158272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537666480).

525158272 is an abundant number, since it is smaller than the sum of its proper divisors (550174688).

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

525158272 is a wasteful number, since it uses less digits than its factorization.

525158272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 819 counting only the distinct ones).

The product of its digits is 56000, while the sum is 37.

The square root of 525158272 is about 22916.3319927077. The cubic root of 525158272 is about 806.7953817176.

The spelling of 525158272 in words is "five hundred twenty-five million, one hundred fifty-eight thousand, two hundred seventy-two".