2515942 has 32 divisors (see below), whose sum is σ = 4677120. Its totient is φ = 997920.

The previous prime is 2515921. The next prime is 2515951. The reversal of 2515942 is 2495152.

It is a self number, because there is not a number n which added to its sum of digits gives 2515942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5203 + ... + 5665.

It is an arithmetic number, because the mean of its divisors is an integer number (146160).

2^2515942 is an apocalyptic number.

2515942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2515942 is a deficient number, since it is larger than the sum of its proper divisors (2161178).

2515942 is a wasteful number, since it uses less digits than its factorization.

2515942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its digits is 3600, while the sum is 28.

The square root of 2515942 is about 1586.1721218077. The cubic root of 2515942 is about 136.0087580865.

The spelling of 2515942 in words is "two million, five hundred fifteen thousand, nine hundred forty-two".