25145051 has 2 divisors, whose sum is σ = 25145052. Its totient is φ = 25145050.

The previous prime is 25145039. The next prime is 25145053. The reversal of 25145051 is 15054152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25145051 - 2¹⁴ = 25128667 is a prime.

Together with 25145053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25145053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12572525 + 12572526.

It is an arithmetic number, because the mean of its divisors is an integer number (12572526).

Almost surely, 2^25145051 is an apocalyptic number.

25145051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25145051 is an equidigital number, since it uses as much as digits as its factorization.

25145051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 25145051 is about 5014.4841210238. The cubic root of 25145051 is about 292.9661925605.

The spelling of 25145051 in words is "twenty-five million, one hundred forty-five thousand, fifty-one".