25316401 has 4 divisors (see below), whose sum is σ = 27617904. Its totient is φ = 23014900.

The previous prime is 25316387. The next prime is 25316437. The reversal of 25316401 is 10461352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25316401 - 2¹¹ = 25314353 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25316461) 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, 1150735 + ... + 1150756.

It is an arithmetic number, because the mean of its divisors is an integer number (6904476).

Almost surely, 2^25316401 is an apocalyptic number.

It is an amenable number.

25316401 is a deficient number, since it is larger than the sum of its proper divisors (2301503).

25316401 is a wasteful number, since it uses less digits than its factorization.

25316401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301502.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 25316401 is about 5031.5406189357. The cubic root of 25316401 is about 293.6301556696.

Adding to 25316401 its reverse (10461352), we get a palindrome (35777753).

The spelling of 25316401 in words is "twenty-five million, three hundred sixteen thousand, four hundred one".