2642625 has 56 divisors (see below), whose sum is σ = 5115240. Its totient is φ = 1360800.

The previous prime is 2642621. The next prime is 2642639. The reversal of 2642625 is 5262462.

It can be written as a sum of positive squares in 4 ways, for example, as 104976 + 2537649 = 324^2 + 1593^2 .

It is not a de Polignac number, because 2642625 - 2² = 2642621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642621) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 91111 + ... + 91139.

2^2642625 is an apocalyptic number.

2642625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2642625 is a deficient number, since it is larger than the sum of its proper divisors (2472615).

2642625 is an frugal number, since it uses more digits than its factorization.

2642625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 37 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2642625 is about 1625.6152681370. The cubic root of 2642625 is about 138.2542571559.

The spelling of 2642625 in words is "two million, six hundred forty-two thousand, six hundred twenty-five".