806505052532 has 24 divisors (see below), whose sum is σ = 1431418443840. Its totient is φ = 397529592320.

The previous prime is 806505052531. The next prime is 806505052567. The reversal of 806505052532 is 235250505608.

It is a super-2 number, since 2×806505052532² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 806505052532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806505052531) 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, 2538644 + ... + 2838612.

It is an arithmetic number, because the mean of its divisors is an integer number (59642435160).

Almost surely, 2^806505052532 is an apocalyptic number.

It is an amenable number.

806505052532 is a deficient number, since it is larger than the sum of its proper divisors (624913391308).

806505052532 is a wasteful number, since it uses less digits than its factorization.

806505052532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309511 (or 309509 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 806505052532 in words is "eight hundred six billion, five hundred five million, fifty-two thousand, five hundred thirty-two".