2523942 has 24 divisors (see below), whose sum is σ = 5499000. Its totient is φ = 836640.

The previous prime is 2523931. The next prime is 2523943. The reversal of 2523942 is 2493252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4809 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (229125).

2^2523942 is an apocalyptic number.

2523942 is an abundant number, since it is smaller than the sum of its proper divisors (2975058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2523942 is a wasteful number, since it uses less digits than its factorization.

2523942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 785 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2523942 is about 1588.6919147525. The cubic root of 2523942 is about 136.1527623128.

It can be divided in two parts, 25239 and 42, that added together give a square (25281 = 159²).

The spelling of 2523942 in words is "two million, five hundred twenty-three thousand, nine hundred forty-two".