3557925 has 60 divisors (see below), whose sum is σ = 7562016. Its totient is φ = 1620000.

The previous prime is 3557903. The next prime is 3557933. The reversal of 3557925 is 5297553.

It is not a de Polignac number, because 3557925 - 2⁷ = 3557797 is a prime.

3557925 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3557925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 14050 + ... + 14300.

Almost surely, 2^3557925 is an apocalyptic number.

3557925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3557925 is an abundant number, since it is smaller than the sum of its proper divisors (4004091).

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

3557925 is a wasteful number, since it uses less digits than its factorization.

3557925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 266 counting only the distinct ones).

The product of its digits is 47250, while the sum is 36.

The square root of 3557925 is about 1886.2462723621. The cubic root of 3557925 is about 152.6624623553.

The spelling of 3557925 in words is "three million, five hundred fifty-seven thousand, nine hundred twenty-five".