25212601 has 12 divisors (see below), whose sum is σ = 26816304. Its totient is φ = 23700600.

The previous prime is 25212587. The next prime is 25212611. The reversal of 25212601 is 10621252.

It is not a de Polignac number, because 25212601 - 2²³ = 16823993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25212611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76006 + ... + 76336.

It is an arithmetic number, because the mean of its divisors is an integer number (2234692).

Almost surely, 2^25212601 is an apocalyptic number.

It is an amenable number.

25212601 is a deficient number, since it is larger than the sum of its proper divisors (1603703).

25212601 is a wasteful number, since it uses less digits than its factorization.

25212601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 25212601 is about 5021.2150919872. The cubic root of 25212601 is about 293.2283007511.

Adding to 25212601 its reverse (10621252), we get a palindrome (35833853).

The spelling of 25212601 in words is "twenty-five million, two hundred twelve thousand, six hundred one".