25316501 has 8 divisors (see below), whose sum is σ = 28963584. Its totient is φ = 21677040.

The previous prime is 25316483. The next prime is 25316513. The reversal of 25316501 is 10561352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25316501 - 2⁶ = 25316437 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 (25316201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12131 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (3620448).

Almost surely, 2^25316501 is an apocalyptic number.

It is an amenable number.

25316501 is a deficient number, since it is larger than the sum of its proper divisors (3647083).

25316501 is a wasteful number, since it uses less digits than its factorization.

25316501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 25316501 is about 5031.5505562401. The cubic root of 25316501 is about 293.6305422830.

Adding to 25316501 its reverse (10561352), we get a palindrome (35877853).

The spelling of 25316501 in words is "twenty-five million, three hundred sixteen thousand, five hundred one".