25150901 has 2 divisors, whose sum is σ = 25150902. Its totient is φ = 25150900.

The previous prime is 25150843. The next prime is 25150903. The reversal of 25150901 is 10905152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 676 = 5015^2 + 26^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25150901 is a prime.

It is a super-2 number, since 2×25150901² = 1265135642223602, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 25150903, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25150903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12575450 + 12575451.

It is an arithmetic number, because the mean of its divisors is an integer number (12575451).

Almost surely, 2^25150901 is an apocalyptic number.

It is an amenable number.

25150901 is a deficient number, since it is larger than the sum of its proper divisors (1).

25150901 is an equidigital number, since it uses as much as digits as its factorization.

25150901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 25150901 is about 5015.0673973537. The cubic root of 25150901 is about 292.9889103422.

The spelling of 25150901 in words is "twenty-five million, one hundred fifty thousand, nine hundred one".