25020313 has 4 divisors (see below), whose sum is σ = 25109008. Its totient is φ = 24931620.

The previous prime is 25020271. The next prime is 25020319. The reversal of 25020313 is 31302052.

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 not a de Polignac number, because 25020313 - 2²¹ = 22923161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25020319) 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, 43923 + ... + 44488.

It is an arithmetic number, because the mean of its divisors is an integer number (6277252).

Almost surely, 2^25020313 is an apocalyptic number.

It is an amenable number.

25020313 is a deficient number, since it is larger than the sum of its proper divisors (88695).

25020313 is an equidigital number, since it uses as much as digits as its factorization.

25020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88694.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 25020313 is about 5002.0308875496. The cubic root of 25020313 is about 292.4809464785.

Adding to 25020313 its reverse (31302052), we get a palindrome (56322365).

The spelling of 25020313 in words is "twenty-five million, twenty thousand, three hundred thirteen".