802530520 has 64 divisors (see below), whose sum is σ = 1987403040. Its totient is φ = 289228800.

The previous prime is 802530479. The next prime is 802530557. The reversal of 802530520 is 25035208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41650 + ... + 57790.

Almost surely, 2^802530520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802530520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993701520).

802530520 is an abundant number, since it is smaller than the sum of its proper divisors (1184872520).

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

802530520 is a wasteful number, since it uses less digits than its factorization.

802530520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16276 (or 16272 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 802530520 is about 28328.9696247499. The cubic root of 802530520 is about 929.2955392803.

Adding to 802530520 its reverse (25035208), we get a palindrome (827565728).

The spelling of 802530520 in words is "eight hundred two million, five hundred thirty thousand, five hundred twenty".