812092542 has 16 divisors (see below), whose sum is σ = 1624896912. Its totient is φ = 270578880.

The previous prime is 812092517. The next prime is 812092543. The reversal of 812092542 is 245290218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812092543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14209 + ... + 42732.

It is an arithmetic number, because the mean of its divisors is an integer number (101556057).

Almost surely, 2^812092542 is an apocalyptic number.

812092542 is an abundant number, since it is smaller than the sum of its proper divisors (812804370).

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

812092542 is a wasteful number, since it uses less digits than its factorization.

812092542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59323.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 812092542 is about 28497.2374450577. The cubic root of 812092542 is about 932.9717793757.

The spelling of 812092542 in words is "eight hundred twelve million, ninety-two thousand, five hundred forty-two".