25088401 has 4 divisors (see below), whose sum is σ = 27018292. Its totient is φ = 23158512.

The previous prime is 25088387. The next prime is 25088429. The reversal of 25088401 is 10488052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2772225 + 22316176 = 1665^2 + 4724^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25088401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25088401.

It is not an unprimeable number, because it can be changed into a prime (25088491) 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, 964926 + ... + 964951.

It is an arithmetic number, because the mean of its divisors is an integer number (6754573).

Almost surely, 2^25088401 is an apocalyptic number.

It is an amenable number.

25088401 is a deficient number, since it is larger than the sum of its proper divisors (1929891).

25088401 is a wasteful number, since it uses less digits than its factorization.

25088401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929890.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 25088401 is about 5008.8322990494. The cubic root of 25088401 is about 292.7460165104.

The spelling of 25088401 in words is "twenty-five million, eighty-eight thousand, four hundred one".