3531940625 has 24 divisors (see below), whose sum is σ = 4455574200. Its totient is φ = 2799360000.

The previous prime is 3531940597. The next prime is 3531940661. The reversal of 3531940625 is 5260491353.

It can be written as a sum of positive squares in 12 ways, for example, as 3467796544 + 64144081 = 58888^2 + 8009^2 .

It is not a de Polignac number, because 3531940625 - 2²⁴ = 3515163409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335441 + ... + 345809.

It is an arithmetic number, because the mean of its divisors is an integer number (185648925).

Almost surely, 2^3531940625 is an apocalyptic number.

It is an amenable number.

3531940625 is a deficient number, since it is larger than the sum of its proper divisors (923633575).

3531940625 is an equidigital number, since it uses as much as digits as its factorization.

3531940625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10503 (or 10483 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 3531940625 is about 59430.1322983552. The cubic root of 3531940625 is about 1522.8991047305.

The spelling of 3531940625 in words is "three billion, five hundred thirty-one million, nine hundred forty thousand, six hundred twenty-five".