813851054 has 16 divisors (see below), whose sum is σ = 1291130880. Its totient is φ = 383677560.

The previous prime is 813851033. The next prime is 813851057. The reversal of 813851054 is 450158318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813851057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42734 + ... + 58769.

It is an arithmetic number, because the mean of its divisors is an integer number (80695680).

Almost surely, 2^813851054 is an apocalyptic number.

813851054 is a deficient number, since it is larger than the sum of its proper divisors (477279826).

813851054 is a wasteful number, since it uses less digits than its factorization.

813851054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101735.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 813851054 is about 28528.0748386567. The cubic root of 813851054 is about 933.6447155200.

The spelling of 813851054 in words is "eight hundred thirteen million, eight hundred fifty-one thousand, fifty-four".