812493325 has 24 divisors (see below), whose sum is σ = 1219154112. Its totient is φ = 524363520.

The previous prime is 812493317. The next prime is 812493329. The reversal of 812493325 is 523394218.

It is not a de Polignac number, because 812493325 - 2³ = 812493317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812493329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133579 + ... + 139528.

It is an arithmetic number, because the mean of its divisors is an integer number (50798088).

Almost surely, 2^812493325 is an apocalyptic number.

812493325 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

812493325 is a deficient number, since it is larger than the sum of its proper divisors (406660787).

812493325 is a wasteful number, since it uses less digits than its factorization.

812493325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273141 (or 273136 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 812493325 is about 28504.2685399924. The cubic root of 812493325 is about 933.1252338628.

The spelling of 812493325 in words is "eight hundred twelve million, four hundred ninety-three thousand, three hundred twenty-five".