90954625 has 16 divisors (see below), whose sum is σ = 115661520. Its totient is φ = 71385600.

The previous prime is 90954623. The next prime is 90954631. The reversal of 90954625 is 52645909.

It can be written as a sum of positive squares in 8 ways, for example, as 25522704 + 65431921 = 5052^2 + 8089^2 .

It is not a de Polignac number, because 90954625 - 2¹ = 90954623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90954623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (7228845).

Almost surely, 2^90954625 is an apocalyptic number.

It is an amenable number.

90954625 is a deficient number, since it is larger than the sum of its proper divisors (24706895).

90954625 is a wasteful number, since it uses less digits than its factorization.

90954625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13797 (or 13787 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 90954625 is about 9537.0134214019. The cubic root of 90954625 is about 449.7193723573.

The spelling of 90954625 in words is "ninety million, nine hundred fifty-four thousand, six hundred twenty-five".