25102013 has 8 divisors (see below), whose sum is σ = 26916480. Its totient is φ = 23325120.

The previous prime is 25102003. The next prime is 25102043. The reversal of 25102013 is 31020152.

It is a happy number.

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 25102013 - 2⁴ = 25101997 is a prime.

It is a super-2 number, since 2×25102013² = 1260222113304338, 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 (25102003) 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, 8003 + ... + 10688.

It is an arithmetic number, because the mean of its divisors is an integer number (3364560).

Almost surely, 2^25102013 is an apocalyptic number.

It is an amenable number.

25102013 is a deficient number, since it is larger than the sum of its proper divisors (1814467).

25102013 is a wasteful number, since it uses less digits than its factorization.

25102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18787.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 25102013 is about 5010.1909145261. The cubic root of 25102013 is about 292.7989511755.

Adding to 25102013 its reverse (31020152), we get a palindrome (56122165).

It can be divided in two parts, 2 and 5102013, that added together give a palindrome (5102015).

The spelling of 25102013 in words is "twenty-five million, one hundred two thousand, thirteen".