25112401 has 4 divisors (see below), whose sum is σ = 25342900. Its totient is φ = 24881904.

The previous prime is 25112393. The next prime is 25112413. The reversal of 25112401 is 10421152.

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 15992001 + 9120400 = 3999^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 25112401 - 2³ = 25112393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25112431) 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, 115086 + ... + 115303.

It is an arithmetic number, because the mean of its divisors is an integer number (6335725).

Almost surely, 2^25112401 is an apocalyptic number.

It is an amenable number.

25112401 is a deficient number, since it is larger than the sum of its proper divisors (230499).

25112401 is a wasteful number, since it uses less digits than its factorization.

25112401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230498.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 25112401 is about 5011.2274943371. The cubic root of 25112401 is about 292.8393354006.

Adding to 25112401 its reverse (10421152), we get a palindrome (35533553).

The spelling of 25112401 in words is "twenty-five million, one hundred twelve thousand, four hundred one".