2521475 has 24 divisors (see below), whose sum is σ = 3495312. Its totient is φ = 1788800.

The previous prime is 2521469. The next prime is 2521481. The reversal of 2521475 is 5741252.

2521475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2521469) and next prime (2521481).

It is not a de Polignac number, because 2521475 - 2¹⁰ = 2520451 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14489 + ... + 14661.

It is an arithmetic number, because the mean of its divisors is an integer number (145638).

2^2521475 is an apocalyptic number.

2521475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2521475 is a deficient number, since it is larger than the sum of its proper divisors (973837).

2521475 is a wasteful number, since it uses less digits than its factorization.

2521475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 242 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 2521475 is about 1587.9153000082. The cubic root of 2521475 is about 136.1083875001.

The spelling of 2521475 in words is "two million, five hundred twenty-one thousand, four hundred seventy-five".