812426941 has 2 divisors, whose sum is σ = 812426942. Its totient is φ = 812426940.

The previous prime is 812426921. The next prime is 812426981. The reversal of 812426941 is 149624218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 775399716 + 37027225 = 27846^2 + 6085^2 .

It is a cyclic number.

It is not a de Polignac number, because 812426941 - 2⁹ = 812426429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 812426941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (812426921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406213470 + 406213471.

It is an arithmetic number, because the mean of its divisors is an integer number (406213471).

Almost surely, 2^812426941 is an apocalyptic number.

It is an amenable number.

812426941 is a deficient number, since it is larger than the sum of its proper divisors (1).

812426941 is an equidigital number, since it uses as much as digits as its factorization.

812426941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 812426941 is about 28503.1040590319. The cubic root of 812426941 is about 933.0998197985.

The spelling of 812426941 in words is "eight hundred twelve million, four hundred twenty-six thousand, nine hundred forty-one".