25122051 has 6 divisors (see below), whose sum is σ = 36287420. Its totient is φ = 16748028.

The previous prime is 25122043. The next prime is 25122077. The reversal of 25122051 is 15022152.

It is not a de Polignac number, because 25122051 - 2³ = 25122043 is a prime.

It is a super-2 number, since 2×25122051² = 1262234892893202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25122011) 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, 1395661 + ... + 1395678.

Almost surely, 2^25122051 is an apocalyptic number.

25122051 is a deficient number, since it is larger than the sum of its proper divisors (11165369).

25122051 is a wasteful number, since it uses less digits than its factorization.

25122051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791345 (or 2791342 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 25122051 is about 5012.1902398053. The cubic root of 25122051 is about 292.8768406116.

The spelling of 25122051 in words is "twenty-five million, one hundred twenty-two thousand, fifty-one".