25093121 has 2 divisors, whose sum is σ = 25093122. Its totient is φ = 25093120.

The previous prime is 25093109. The next prime is 25093157. The reversal of 25093121 is 12139052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23961025 + 1132096 = 4895^2 + 1064^2 .

It is a cyclic number.

It is not a de Polignac number, because 25093121 - 2¹⁰ = 25092097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25093421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12546560 + 12546561.

It is an arithmetic number, because the mean of its divisors is an integer number (12546561).

Almost surely, 2^25093121 is an apocalyptic number.

It is an amenable number.

25093121 is a deficient number, since it is larger than the sum of its proper divisors (1).

25093121 is an equidigital number, since it uses as much as digits as its factorization.

25093121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 25093121 is about 5009.3034445919. The cubic root of 25093121 is about 292.7643739252.

The spelling of 25093121 in words is "twenty-five million, ninety-three thousand, one hundred twenty-one".