3925013 has 2 divisors, whose sum is σ = 3925014. Its totient is φ = 3925012.

The previous prime is 3924959. The next prime is 3925027. The reversal of 3925013 is 3105293.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2137444 + 1787569 = 1462^2 + 1337^2 .

It is an emirp because it is prime and its reverse (3105293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3925013 - 2⁸ = 3924757 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3925013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3925043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962506 + 1962507.

It is an arithmetic number, because the mean of its divisors is an integer number (1962507).

Almost surely, 2^3925013 is an apocalyptic number.

It is an amenable number.

3925013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3925013 is an equidigital number, since it uses as much as digits as its factorization.

3925013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 3925013 is about 1981.1645565172. The cubic root of 3925013 is about 157.7418874958.

It can be divided in two parts, 39 and 25013, that added together give a palindrome (25052).

The spelling of 3925013 in words is "three million, nine hundred twenty-five thousand, thirteen".