653625090 has 24 divisors (see below), whose sum is σ = 1699425468. Its totient is φ = 174300000.

The previous prime is 653625079. The next prime is 653625101. The reversal of 653625090 is 90526356.

It is an interprime number because it is at equal distance from previous prime (653625079) and next prime (653625101).

It can be written as a sum of positive squares in 2 ways, for example, as 628555041 + 25070049 = 25071^2 + 5007^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3631161 + ... + 3631340.

Almost surely, 2^653625090 is an apocalyptic number.

653625090 is an abundant number, since it is smaller than the sum of its proper divisors (1045800378).

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

653625090 is a wasteful number, since it uses less digits than its factorization.

653625090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262514 (or 7262511 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 653625090 is about 25566.0925837329. The cubic root of 653625090 is about 867.8464771626.

It can be divided in two parts, 6536 and 25090, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 653625090 in words is "six hundred fifty-three million, six hundred twenty-five thousand, ninety".