2515983 has 8 divisors (see below), whose sum is σ = 3552048. Its totient is φ = 1578624.

The previous prime is 2515967. The next prime is 2516021. The reversal of 2515983 is 3895152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2515983 - 2⁴ = 2515967 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515283) 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, 24616 + ... + 24717.

It is an arithmetic number, because the mean of its divisors is an integer number (444006).

2^2515983 is an apocalyptic number.

2515983 is a deficient number, since it is larger than the sum of its proper divisors (1036065).

2515983 is a wasteful number, since it uses less digits than its factorization.

2515983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49353.

The product of its digits is 10800, while the sum is 33.

The square root of 2515983 is about 1586.1850459514. The cubic root of 2515983 is about 136.0094968858.

The spelling of 2515983 in words is "two million, five hundred fifteen thousand, nine hundred eighty-three".