812485703 has 2 divisors, whose sum is σ = 812485704. Its totient is φ = 812485702.

The previous prime is 812485669. The next prime is 812485747. The reversal of 812485703 is 307584218.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 812485703 - 2²⁶ = 745376839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (812485753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406242851 + 406242852.

It is an arithmetic number, because the mean of its divisors is an integer number (406242852).

Almost surely, 2^812485703 is an apocalyptic number.

812485703 is a deficient number, since it is larger than the sum of its proper divisors (1).

812485703 is an equidigital number, since it uses as much as digits as its factorization.

812485703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 812485703 is about 28504.1348404052. The cubic root of 812485703 is about 933.1223159710.

The spelling of 812485703 in words is "eight hundred twelve million, four hundred eighty-five thousand, seven hundred three".