3613291325 has 24 divisors (see below), whose sum is σ = 5151253632. Its totient is φ = 2462829120.

The previous prime is 3613291301. The next prime is 3613291349. The reversal of 3613291325 is 5231923163.

It is an interprime number because it is at equal distance from previous prime (3613291301) and next prime (3613291349).

It is not a de Polignac number, because 3613291325 - 2¹² = 3613287229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32594 + ... + 91043.

It is an arithmetic number, because the mean of its divisors is an integer number (214635568).

Almost surely, 2^3613291325 is an apocalyptic number.

3613291325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3613291325 is a deficient number, since it is larger than the sum of its proper divisors (1537962307).

3613291325 is a wasteful number, since it uses less digits than its factorization.

3613291325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123821 (or 123816 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 3613291325 is about 60110.6589965540. The cubic root of 3613291325 is about 1534.5027089679.

The spelling of 3613291325 in words is "three billion, six hundred thirteen million, two hundred ninety-one thousand, three hundred twenty-five".