25347513 has 8 divisors (see below), whose sum is σ = 34350976. Its totient is φ = 16621200.

The previous prime is 25347503. The next prime is 25347533. The reversal of 25347513 is 31574352.

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

It is not a de Polignac number, because 25347513 - 2⁵ = 25347481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25347503) 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, 69073 + ... + 69438.

It is an arithmetic number, because the mean of its divisors is an integer number (4293872).

Almost surely, 2^25347513 is an apocalyptic number.

It is an amenable number.

25347513 is a deficient number, since it is larger than the sum of its proper divisors (9003463).

25347513 is a wasteful number, since it uses less digits than its factorization.

25347513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138575.

The product of its digits is 12600, while the sum is 30.

The square root of 25347513 is about 5034.6313668431. The cubic root of 25347513 is about 293.7503897384.

The spelling of 25347513 in words is "twenty-five million, three hundred forty-seven thousand, five hundred thirteen".