3654807025 has 27 divisors (see below), whose sum is σ = 4615553761. Its totient is φ = 2870887040.

The previous prime is 3654807017. The next prime is 3654807043. The reversal of 3654807025 is 5207084563.

The square root of 3654807025 is 60455.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1859420641 + 1795386384 = 43121^2 + 42372^2 .

It is not a de Polignac number, because 3654807025 - 2³ = 3654807017 is a prime.

It is a super-2 number, since 2×3654807025² = 26715228779978701250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32343369 + ... + 32343481.

Almost surely, 2^3654807025 is an apocalyptic number.

3654807025 is the 60455-th square number.

3654807025 is the 30228-th centered octagonal number.

It is an amenable number.

3654807025 is a deficient number, since it is larger than the sum of its proper divisors (960746736).

3654807025 is an equidigital number, since it uses as much as digits as its factorization.

3654807025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The cubic root of 3654807025 is about 1540.3573445498.

The spelling of 3654807025 in words is "three billion, six hundred fifty-four million, eight hundred seven thousand, twenty-five".