25623013 has 8 divisors (see below), whose sum is σ = 27927648. Its totient is φ = 23366064.

The previous prime is 25623007. The next prime is 25623023. The reversal of 25623013 is 31032652.

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 25623013 - 2¹³ = 25614821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25623023) 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, 10795 + ... + 12952.

It is an arithmetic number, because the mean of its divisors is an integer number (3490956).

Almost surely, 2^25623013 is an apocalyptic number.

It is an amenable number.

25623013 is a deficient number, since it is larger than the sum of its proper divisors (2304635).

25623013 is a wasteful number, since it uses less digits than its factorization.

25623013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23843.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 25623013 is about 5061.9179171535. The cubic root of 25623013 is about 294.8108065841.

Adding to 25623013 its reverse (31032652), we get a palindrome (56655665).

The spelling of 25623013 in words is "twenty-five million, six hundred twenty-three thousand, thirteen".