90525201 has 8 divisors (see below), whose sum is σ = 129984960. Its totient is φ = 55707792.

The previous prime is 90525161. The next prime is 90525209. The reversal of 90525201 is 10252509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90525201 - 2⁶ = 90525137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90525209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160541 + ... + 1160618.

It is an arithmetic number, because the mean of its divisors is an integer number (16248120).

Almost surely, 2^90525201 is an apocalyptic number.

It is an amenable number.

90525201 is a deficient number, since it is larger than the sum of its proper divisors (39459759).

90525201 is a wasteful number, since it uses less digits than its factorization.

90525201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321175.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 90525201 is about 9514.4732381777. The cubic root of 90525201 is about 449.0105023477.

It can be divided in two parts, 905 and 25201, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 90525201 in words is "ninety million, five hundred twenty-five thousand, two hundred one".