3621528925 has 48 divisors (see below), whose sum is σ = 5206269952. Its totient is φ = 2447755200.

The previous prime is 3621528919. The next prime is 3621528941. The reversal of 3621528925 is 5298251263.

It is not a de Polignac number, because 3621528925 - 2¹¹ = 3621526877 is a prime.

It is a super-2 number, since 2×3621528925² = 26230943509223311250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5965972 + ... + 5966578.

Almost surely, 2^3621528925 is an apocalyptic number.

3621528925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3621528925 is a deficient number, since it is larger than the sum of its proper divisors (1584741027).

3621528925 is a wasteful number, since it uses less digits than its factorization.

3621528925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1053 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 3621528925 is about 60179.1402813300. The cubic root of 3621528925 is about 1535.6679462800.

The spelling of 3621528925 in words is "three billion, six hundred twenty-one million, five hundred twenty-eight thousand, nine hundred twenty-five".