913263403 has 4 divisors (see below), whose sum is σ = 983514448. Its totient is φ = 843012360.

The previous prime is 913263383. The next prime is 913263427. The reversal of 913263403 is 304362319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304362319 = 6833 ⋅44543.

It is a cyclic number.

It is not a de Polignac number, because 913263403 - 2⁵ = 913263371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913263433) 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, 35125503 + ... + 35125528.

It is an arithmetic number, because the mean of its divisors is an integer number (245878612).

Almost surely, 2^913263403 is an apocalyptic number.

913263403 is a deficient number, since it is larger than the sum of its proper divisors (70251045).

913263403 is a wasteful number, since it uses less digits than its factorization.

913263403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70251044.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 913263403 is about 30220.2482286298. The cubic root of 913263403 is about 970.2091174182.

The spelling of 913263403 in words is "nine hundred thirteen million, two hundred sixty-three thousand, four hundred three".