2523628 has 6 divisors (see below), whose sum is σ = 4416356. Its totient is φ = 1261812.

The previous prime is 2523593. The next prime is 2523641. The reversal of 2523628 is 8263252.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2523596 and 2523605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315450 + ... + 315457.

2^2523628 is an apocalyptic number.

It is an amenable number.

2523628 is a deficient number, since it is larger than the sum of its proper divisors (1892728).

2523628 is a wasteful number, since it uses less digits than its factorization.

2523628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630911 (or 630909 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 2523628 is about 1588.5930882388. The cubic root of 2523628 is about 136.1471158888.

It can be divided in two parts, 25 and 23628, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 2523628 in words is "two million, five hundred twenty-three thousand, six hundred twenty-eight".