25436413 has 8 divisors (see below), whose sum is σ = 26779968. Its totient is φ = 24112704.

The previous prime is 25436381. The next prime is 25436419. The reversal of 25436413 is 31463452.

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

It is a cyclic number.

It is not a de Polignac number, because 25436413 - 2⁵ = 25436381 is a prime.

It is a super-2 number, since 2×25436413² = 1294022212613138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25436419) 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 7 ways as a sum of consecutive naturals, for example, 2295 + ... + 7492.

It is an arithmetic number, because the mean of its divisors is an integer number (3347496).

Almost surely, 2^25436413 is an apocalyptic number.

25436413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25436413 is a deficient number, since it is larger than the sum of its proper divisors (1343555).

25436413 is a wasteful number, since it uses less digits than its factorization.

25436413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923.

The product of its digits is 8640, while the sum is 28.

The square root of 25436413 is about 5043.4524881276. The cubic root of 25436413 is about 294.0934074682.

Adding to 25436413 its reverse (31463452), we get a palindrome (56899865).

The spelling of 25436413 in words is "twenty-five million, four hundred thirty-six thousand, four hundred thirteen".