2523988 has 6 divisors (see below), whose sum is σ = 4416986. Its totient is φ = 1261992.

The previous prime is 2523967. The next prime is 2523991. The reversal of 2523988 is 8893252.

It can be written as a sum of positive squares in only one way, i.e., 1567504 + 956484 = 1252^2 + 978^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315495 + ... + 315502.

2^2523988 is an apocalyptic number.

It is an amenable number.

2523988 is a deficient number, since it is larger than the sum of its proper divisors (1892998).

2523988 is a wasteful number, since it uses less digits than its factorization.

2523988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631001 (or 630999 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 2523988 is about 1588.7063920058. The cubic root of 2523988 is about 136.1535894567.

The spelling of 2523988 in words is "two million, five hundred twenty-three thousand, nine hundred eighty-eight".