2523987 has 8 divisors (see below), whose sum is σ = 3739280. Its totient is φ = 1682640.

The previous prime is 2523967. The next prime is 2523991. The reversal of 2523987 is 7893252.

It is a happy number.

It is not a de Polignac number, because 2523987 - 2⁶ = 2523923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523907) 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, 46714 + ... + 46767.

It is an arithmetic number, because the mean of its divisors is an integer number (467410).

2^2523987 is an apocalyptic number.

2523987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2523987 is a deficient number, since it is larger than the sum of its proper divisors (1215293).

2523987 is an equidigital number, since it uses as much as digits as its factorization.

2523987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93490 (or 93484 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2523987 is about 1588.7060772843. The cubic root of 2523987 is about 136.1535714754.

It can be divided in two parts, 252398 and 7, that added together give a triangular number (252405 = T₇₁₀).

The spelling of 2523987 in words is "two million, five hundred twenty-three thousand, nine hundred eighty-seven".