25116345 has 32 divisors (see below), whose sum is σ = 46598400. Its totient is φ = 12811392.

The previous prime is 25116341. The next prime is 25116367. The reversal of 25116345 is 54361152.

25116345 is a `hidden beast` number, since 25 + 1 + 1 + 634 + 5 = 666.

It is not a de Polignac number, because 25116345 - 2² = 25116341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25116341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 940 + ... + 7149.

It is an arithmetic number, because the mean of its divisors is an integer number (1456200).

Almost surely, 2^25116345 is an apocalyptic number.

It is an amenable number.

25116345 is a deficient number, since it is larger than the sum of its proper divisors (21482055).

25116345 is a wasteful number, since it uses less digits than its factorization.

25116345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8126 (or 8120 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 25116345 is about 5011.6209952469. The cubic root of 25116345 is about 292.8546651160.

Adding to 25116345 its reverse (54361152), we get a palindrome (79477497).

The spelling of 25116345 in words is "twenty-five million, one hundred sixteen thousand, three hundred forty-five".