802513845 has 32 divisors (see below), whose sum is σ = 1630506240. Its totient is φ = 366863040.

The previous prime is 802513843. The next prime is 802513919. The reversal of 802513845 is 548315208.

It is a happy number.

It is not a de Polignac number, because 802513845 - 2¹ = 802513843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802513843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423666 + ... + 425555.

It is an arithmetic number, because the mean of its divisors is an integer number (50953320).

Almost surely, 2^802513845 is an apocalyptic number.

It is an amenable number.

802513845 is an abundant number, since it is smaller than the sum of its proper divisors (827992395).

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

802513845 is a wasteful number, since it uses less digits than its factorization.

802513845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849242 (or 849236 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 802513845 is about 28328.6753131875. The cubic root of 802513845 is about 929.2891029267.

The spelling of 802513845 in words is "eight hundred two million, five hundred thirteen thousand, eight hundred forty-five".