25402413 has 16 divisors (see below), whose sum is σ = 34727936. Its totient is φ = 16511040.

The previous prime is 25402367. The next prime is 25402417. The reversal of 25402413 is 31420452.

It is not a de Polignac number, because 25402413 - 2¹³ = 25394221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25402413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25402417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22695 + ... + 23787.

It is an arithmetic number, because the mean of its divisors is an integer number (2170496).

Almost surely, 2^25402413 is an apocalyptic number.

It is an amenable number.

25402413 is a deficient number, since it is larger than the sum of its proper divisors (9325523).

25402413 is a wasteful number, since it uses less digits than its factorization.

25402413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25402413 is about 5040.0806541166. The cubic root of 25402413 is about 293.9623141107.

Adding to 25402413 its reverse (31420452), we get a palindrome (56822865).

The spelling of 25402413 in words is "twenty-five million, four hundred two thousand, four hundred thirteen".