901381525 has 36 divisors (see below), whose sum is σ = 1235135232. Its totient is φ = 647140000.

The previous prime is 901381519. The next prime is 901381543. The reversal of 901381525 is 525183109.

It is not a de Polignac number, because 901381525 - 2⁵ = 901381493 is a prime.

It is a super-2 number, since 2×901381525² = 1624977307222651250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4719180 + ... + 4719370.

It is an arithmetic number, because the mean of its divisors is an integer number (34309312).

Almost surely, 2^901381525 is an apocalyptic number.

It is an amenable number.

901381525 is a deficient number, since it is larger than the sum of its proper divisors (333753707).

901381525 is a wasteful number, since it uses less digits than its factorization.

901381525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 901381525 is about 30023.0165872785. The cubic root of 901381525 is about 965.9831497189.

The spelling of 901381525 in words is "nine hundred one million, three hundred eighty-one thousand, five hundred twenty-five".