25101013 has 4 divisors (see below), whose sum is σ = 28686880. Its totient is φ = 21515148.

The previous prime is 25101007. The next prime is 25101031. The reversal of 25101013 is 31010152.

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 a de Polignac number, because none of the positive numbers 2^k-25101013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25100984 and 25101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25101053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792923 + ... + 1792936.

It is an arithmetic number, because the mean of its divisors is an integer number (7171720).

Almost surely, 2^25101013 is an apocalyptic number.

It is an amenable number.

25101013 is a deficient number, since it is larger than the sum of its proper divisors (3585867).

25101013 is an equidigital number, since it uses as much as digits as its factorization.

25101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585866.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 25101013 is about 5010.0911169359. The cubic root of 25101013 is about 292.7950630034.

Adding to 25101013 its reverse (31010152), we get a palindrome (56111165).

It can be divided in two parts, 2 and 5101013, that added together give a palindrome (5101015).

The spelling of 25101013 in words is "twenty-five million, one hundred one thousand, thirteen".