7913263 has 4 divisors (see below), whose sum is σ = 7930000. Its totient is φ = 7896528.

The previous prime is 7913261. The next prime is 7913327. The reversal of 7913263 is 3623197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7913263 - 2¹ = 7913261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7913261) 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, 7638 + ... + 8611.

It is an arithmetic number, because the mean of its divisors is an integer number (1982500).

Almost surely, 2^7913263 is an apocalyptic number.

7913263 is a deficient number, since it is larger than the sum of its proper divisors (16737).

7913263 is a wasteful number, since it uses less digits than its factorization.

7913263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16736.

The product of its digits is 6804, while the sum is 31.

The square root of 7913263 is about 2813.0522568911. The cubic root of 7913263 is about 199.2745635579.

The spelling of 7913263 in words is "seven million, nine hundred thirteen thousand, two hundred sixty-three".