812625236 has 12 divisors (see below), whose sum is σ = 1483924512. Its totient is φ = 388646808.

The previous prime is 812625199. The next prime is 812625239. The reversal of 812625236 is 632526218.

It is a junction number, because it is equal to n+sod(n) for n = 812625196 and 812625205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812625239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4416350 + ... + 4416533.

It is an arithmetic number, because the mean of its divisors is an integer number (123660376).

Almost surely, 2^812625236 is an apocalyptic number.

It is an amenable number.

812625236 is a deficient number, since it is larger than the sum of its proper divisors (671299276).

812625236 is a wasteful number, since it uses less digits than its factorization.

812625236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832910 (or 8832908 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 812625236 is about 28506.5823275958. The cubic root of 812625236 is about 933.1757297943.

The spelling of 812625236 in words is "eight hundred twelve million, six hundred twenty-five thousand, two hundred thirty-six".