810513342 has 24 divisors (see below), whose sum is σ = 1803576216. Its totient is φ = 262868976.

The previous prime is 810513331. The next prime is 810513349. The reversal of 810513342 is 243315018.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810513349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607828 + ... + 609159.

It is an arithmetic number, because the mean of its divisors is an integer number (75149009).

Almost surely, 2^810513342 is an apocalyptic number.

810513342 is an abundant number, since it is smaller than the sum of its proper divisors (993062874).

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

810513342 is a wasteful number, since it uses less digits than its factorization.

810513342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217032 (or 1217029 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 810513342 is about 28469.5160127460. The cubic root of 810513342 is about 932.3666327868.

The spelling of 810513342 in words is "eight hundred ten million, five hundred thirteen thousand, three hundred forty-two".