2551975 has 6 divisors (see below), whose sum is σ = 3164480. Its totient is φ = 2041560.

The previous prime is 2551961. The next prime is 2551979. The reversal of 2551975 is 5791552.

It is not a de Polignac number, because 2551975 - 2⁵ = 2551943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2551975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551979) 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, 51015 + ... + 51064.

2^2551975 is an apocalyptic number.

2551975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2551975 is a deficient number, since it is larger than the sum of its proper divisors (612505).

2551975 is a wasteful number, since it uses less digits than its factorization.

2551975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102089 (or 102084 counting only the distinct ones).

The product of its digits is 15750, while the sum is 34.

The square root of 2551975 is about 1597.4902190624. The cubic root of 2551975 is about 136.6549828071.

The spelling of 2551975 in words is "two million, five hundred fifty-one thousand, nine hundred seventy-five".