3625431 has 8 divisors (see below), whose sum is σ = 4869744. Its totient is φ = 2399040.

The previous prime is 3625429. The next prime is 3625477. The reversal of 3625431 is 1345263.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3625431 - 2¹ = 3625429 is a prime.

It is a super-2 number, since 2×3625431² = 26287499871522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000 + ... + 4821.

It is an arithmetic number, because the mean of its divisors is an integer number (608718).

Almost surely, 2^3625431 is an apocalyptic number.

3625431 is a deficient number, since it is larger than the sum of its proper divisors (1244313).

3625431 is a wasteful number, since it uses less digits than its factorization.

3625431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961.

The product of its digits is 2160, while the sum is 24.

The square root of 3625431 is about 1904.0564592469. The cubic root of 3625431 is about 153.6219291743.

The spelling of 3625431 in words is "three million, six hundred twenty-five thousand, four hundred thirty-one".