25057475 has 6 divisors (see below), whose sum is σ = 31071300. Its totient is φ = 20045960.

The previous prime is 25057471. The next prime is 25057553. The reversal of 25057475 is 57475052.

It is a happy number.

It is not a de Polignac number, because 25057475 - 2² = 25057471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25057471) 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, 501125 + ... + 501174.

It is an arithmetic number, because the mean of its divisors is an integer number (5178550).

Almost surely, 2^25057475 is an apocalyptic number.

25057475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25057475 is a deficient number, since it is larger than the sum of its proper divisors (6013825).

25057475 is a wasteful number, since it uses less digits than its factorization.

25057475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002309 (or 1002304 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 25057475 is about 5005.7442004162. The cubic root of 25057475 is about 292.6256795484.

The spelling of 25057475 in words is "twenty-five million, fifty-seven thousand, four hundred seventy-five".