813350454 has 64 divisors (see below), whose sum is σ = 1901878272. Its totient is φ = 227088000.

The previous prime is 813350437. The next prime is 813350471. The reversal of 813350454 is 454053318.

It is an interprime number because it is at equal distance from previous prime (813350437) and next prime (813350471).

It is a super-2 number, since 2×813350454² = 1323077922044012232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426904 + ... + 428804.

It is an arithmetic number, because the mean of its divisors is an integer number (29716848).

Almost surely, 2^813350454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 813350454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950939136).

813350454 is an abundant number, since it is smaller than the sum of its proper divisors (1088527818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813350454 is a wasteful number, since it uses less digits than its factorization.

813350454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 813350454 is about 28519.2996758336. The cubic root of 813350454 is about 933.4532478864.

The spelling of 813350454 in words is "eight hundred thirteen million, three hundred fifty thousand, four hundred fifty-four".