4025613 has 4 divisors (see below), whose sum is σ = 5367488. Its totient is φ = 2683740.

The previous prime is 4025599. The next prime is 4025627. The reversal of 4025613 is 3165204.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (4025599) and next prime (4025627).

It is not a de Polignac number, because 4025613 - 2¹⁰ = 4024589 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4025613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670933 + ... + 670938.

It is an arithmetic number, because the mean of its divisors is an integer number (1341872).

Almost surely, 2^4025613 is an apocalyptic number.

It is an amenable number.

4025613 is a deficient number, since it is larger than the sum of its proper divisors (1341875).

4025613 is a wasteful number, since it uses less digits than its factorization.

4025613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341874.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4025613 is about 2006.3930322846. The cubic root of 4025613 is about 159.0782021069.

The spelling of 4025613 in words is "four million, twenty-five thousand, six hundred thirteen".