90302492925 has 48 divisors (see below), whose sum is σ = 169746962880. Its totient is φ = 47041283520.

The previous prime is 90302492921. The next prime is 90302492927. The reversal of 90302492925 is 52929420309.

90302492925 is a `hidden beast` number, since 90 + 30 + 249 + 292 + 5 = 666.

It is not a de Polignac number, because 90302492925 - 2² = 90302492921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90302492921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1526574 + ... + 1584623.

It is an arithmetic number, because the mean of its divisors is an integer number (3536395060).

Almost surely, 2^90302492925 is an apocalyptic number.

It is an amenable number.

90302492925 is a deficient number, since it is larger than the sum of its proper divisors (79444469955).

90302492925 is a wasteful number, since it uses less digits than its factorization.

90302492925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111259 (or 3111248 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 90302492925 in words is "ninety billion, three hundred two million, four hundred ninety-two thousand, nine hundred twenty-five".