25087901 has 4 divisors (see below), whose sum is σ = 25098012. Its totient is φ = 25077792.

The previous prime is 25087891. The next prime is 25087913. The reversal of 25087901 is 10978052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5285401 + 19802500 = 2299^2 + 4450^2 .

It is a cyclic number.

It is not a de Polignac number, because 25087901 - 2¹⁴ = 25071517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25087981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505 + ... + 7241.

It is an arithmetic number, because the mean of its divisors is an integer number (6274503).

Almost surely, 2^25087901 is an apocalyptic number.

It is an amenable number.

25087901 is a deficient number, since it is larger than the sum of its proper divisors (10111).

25087901 is an equidigital number, since it uses as much as digits as its factorization.

25087901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 25087901 is about 5008.7823869679. The cubic root of 25087901 is about 292.7440717341.

The spelling of 25087901 in words is "twenty-five million, eighty-seven thousand, nine hundred one".