3654642525 has 12 divisors (see below), whose sum is σ = 6042342432. Its totient is φ = 1949142640.

The previous prime is 3654642521. The next prime is 3654642527. The reversal of 3654642525 is 5252464563.

It is not a de Polignac number, because 3654642525 - 2² = 3654642521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654642521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24364209 + ... + 24364358.

It is an arithmetic number, because the mean of its divisors is an integer number (503528536).

Almost surely, 2^3654642525 is an apocalyptic number.

It is an amenable number.

3654642525 is a deficient number, since it is larger than the sum of its proper divisors (2387699907).

3654642525 is a wasteful number, since it uses less digits than its factorization.

3654642525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48728580 (or 48728575 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

The square root of 3654642525 is about 60453.6394686044. The cubic root of 3654642525 is about 1540.3342341108.

The spelling of 3654642525 in words is "three billion, six hundred fifty-four million, six hundred forty-two thousand, five hundred twenty-five".