2511925 has 24 divisors (see below), whose sum is σ = 3437280. Its totient is φ = 1809600.

The previous prime is 2511917. The next prime is 2511941. The reversal of 2511925 is 5291152.

It is not a de Polignac number, because 2511925 - 2³ = 2511917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2511925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19110 + ... + 19240.

It is an arithmetic number, because the mean of its divisors is an integer number (143220).

2^2511925 is an apocalyptic number.

2511925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2511925 is a deficient number, since it is larger than the sum of its proper divisors (925355).

2511925 is a wasteful number, since it uses less digits than its factorization.

2511925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 208 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 2511925 is about 1584.9053599506. The cubic root of 2511925 is about 135.9363348207.

The spelling of 2511925 in words is "two million, five hundred eleven thousand, nine hundred twenty-five".