25022051 has 2 divisors, whose sum is σ = 25022052. Its totient is φ = 25022050.

The previous prime is 25022009. The next prime is 25022071. The reversal of 25022051 is 15022052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25022051 - 2⁶ = 25021987 is a prime.

It is a super-2 number, since 2×25022051² = 1252206072493202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25022071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511025 + 12511026.

It is an arithmetic number, because the mean of its divisors is an integer number (12511026).

Almost surely, 2^25022051 is an apocalyptic number.

25022051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25022051 is an equidigital number, since it uses as much as digits as its factorization.

25022051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 25022051 is about 5002.2046139677. The cubic root of 25022051 is about 292.4877185775.

Subtracting from 25022051 its reverse (15022052), we obtain a palindrome (9999999).

The spelling of 25022051 in words is "twenty-five million, twenty-two thousand, fifty-one".