2642925 has 24 divisors (see below), whose sum is σ = 4419360. Its totient is φ = 1393600.

The previous prime is 2642897. The next prime is 2642929. The reversal of 2642925 is 5292462.

It is not a de Polignac number, because 2642925 - 2⁷ = 2642797 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

2642925 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2642892 and 2642901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9691 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

2^2642925 is an apocalyptic number.

2642925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2642925 is a deficient number, since it is larger than the sum of its proper divisors (1776435).

2642925 is a wasteful number, since it uses less digits than its factorization.

2642925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 408 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 2642925 is about 1625.7075382737. The cubic root of 2642925 is about 138.2594886596.

The spelling of 2642925 in words is "two million, six hundred forty-two thousand, nine hundred twenty-five".