801521350 has 48 divisors (see below), whose sum is σ = 1708819200. Its totient is φ = 273998880.

The previous prime is 801521339. The next prime is 801521351. The reversal of 801521350 is 53125108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801521351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122461 + ... + 128839.

It is an arithmetic number, because the mean of its divisors is an integer number (35600400).

Almost surely, 2^801521350 is an apocalyptic number.

801521350 is an abundant number, since it is smaller than the sum of its proper divisors (907297850).

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

801521350 is a wasteful number, since it uses less digits than its factorization.

801521350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757 (or 6752 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 801521350 is about 28311.1523961848. The cubic root of 801521350 is about 928.9058508602.

Adding to 801521350 its reverse (53125108), we get a palindrome (854646458).

The spelling of 801521350 in words is "eight hundred one million, five hundred twenty-one thousand, three hundred fifty".