25006023413 has 16 divisors (see below), whose sum is σ = 28751944320. Its totient is φ = 21303729216.

The previous prime is 25006023409. The next prime is 25006023433. The reversal of 25006023413 is 31432060052.

It is not a de Polignac number, because 25006023413 - 2² = 25006023409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25006023403) 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, 1465670 + ... + 1482632.

It is an arithmetic number, because the mean of its divisors is an integer number (1796996520).

Almost surely, 2^25006023413 is an apocalyptic number.

It is an amenable number.

25006023413 is a deficient number, since it is larger than the sum of its proper divisors (3745920907).

25006023413 is a wasteful number, since it uses less digits than its factorization.

25006023413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18236.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 25006023413 its reverse (31432060052), we get a palindrome (56438083465).

The spelling of 25006023413 in words is "twenty-five billion, six million, twenty-three thousand, four hundred thirteen".