2515954 has 12 divisors (see below), whose sum is σ = 4390254. Its totient is φ = 1078224.

The previous prime is 2515951. The next prime is 2515967. The reversal of 2515954 is 4595152.

It can be written as a sum of positive squares in only one way, i.e., 1750329 + 765625 = 1323^2 + 875^2 .

It is not an unprimeable number, because it can be changed into a prime (2515951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12739 + ... + 12934.

2^2515954 is an apocalyptic number.

2515954 is a deficient number, since it is larger than the sum of its proper divisors (1874300).

2515954 is a wasteful number, since it uses less digits than its factorization.

2515954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25689 (or 25682 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 2515954 is about 1586.1759044948. The cubic root of 2515954 is about 136.0089743213.

The spelling of 2515954 in words is "two million, five hundred fifteen thousand, nine hundred fifty-four".