25035121 has 2 divisors, whose sum is σ = 25035122. Its totient is φ = 25035120.

The previous prime is 25035083. The next prime is 25035139. The reversal of 25035121 is 12153052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14145121 + 10890000 = 3761^2 + 3300^2 .

It is a cyclic number.

It is not a de Polignac number, because 25035121 - 2⁷ = 25034993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25035181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12517560 + 12517561.

It is an arithmetic number, because the mean of its divisors is an integer number (12517561).

Almost surely, 2^25035121 is an apocalyptic number.

It is an amenable number.

25035121 is a deficient number, since it is larger than the sum of its proper divisors (1).

25035121 is an equidigital number, since it uses as much as digits as its factorization.

25035121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 25035121 is about 5003.5108673810. The cubic root of 25035121 is about 292.5386356543.

Adding to 25035121 its reverse (12153052), we get a palindrome (37188173).

The spelling of 25035121 in words is "twenty-five million, thirty-five thousand, one hundred twenty-one".