25013775 has 12 divisors (see below), whose sum is σ = 41356232. Its totient is φ = 13340640.

The previous prime is 25013773. The next prime is 25013801. The reversal of 25013775 is 57731052.

It is not a de Polignac number, because 25013775 - 2¹ = 25013773 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25013773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166684 + ... + 166833.

Almost surely, 2^25013775 is an apocalyptic number.

25013775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25013775 is a deficient number, since it is larger than the sum of its proper divisors (16342457).

25013775 is a wasteful number, since it uses less digits than its factorization.

25013775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333530 (or 333525 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 25013775 is about 5001.3773103016. The cubic root of 25013775 is about 292.4554684197.

The spelling of 25013775 in words is "twenty-five million, thirteen thousand, seven hundred seventy-five".