7485613 has 4 divisors (see below), whose sum is σ = 7555680. Its totient is φ = 7415548.

The previous prime is 7485571. The next prime is 7485623. The reversal of 7485613 is 3165847.

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 a de Polignac number, because none of the positive numbers 2^k-7485613 is a prime.

It is a Duffinian number.

7485613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7485623) 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, 34873 + ... + 35086.

It is an arithmetic number, because the mean of its divisors is an integer number (1888920).

Almost surely, 2^7485613 is an apocalyptic number.

It is an amenable number.

7485613 is a deficient number, since it is larger than the sum of its proper divisors (70067).

7485613 is a wasteful number, since it uses less digits than its factorization.

7485613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70066.

The product of its digits is 20160, while the sum is 34.

The square root of 7485613 is about 2735.9848318293. The cubic root of 7485613 is about 195.6181392729.

The spelling of 7485613 in words is "seven million, four hundred eighty-five thousand, six hundred thirteen".