25349413 has 4 divisors (see below), whose sum is σ = 26167168. Its totient is φ = 24531660.

The previous prime is 25349399. The next prime is 25349419. The reversal of 25349413 is 31494352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25349413 - 2⁹ = 25348901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 817723 = 25349413 / (2 + 5 + 3 + 4 + 9 + 4 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25349419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408831 + ... + 408892.

It is an arithmetic number, because the mean of its divisors is an integer number (6541792).

Almost surely, 2^25349413 is an apocalyptic number.

It is an amenable number.

25349413 is a deficient number, since it is larger than the sum of its proper divisors (817755).

25349413 is an equidigital number, since it uses as much as digits as its factorization.

25349413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817754.

The product of its digits is 12960, while the sum is 31.

The square root of 25349413 is about 5034.8200563675. The cubic root of 25349413 is about 293.7577292066.

The spelling of 25349413 in words is "twenty-five million, three hundred forty-nine thousand, four hundred thirteen".