830521373 has 8 divisors (see below), whose sum is σ = 913512576. Its totient is φ = 755018220.

The previous prime is 830521361. The next prime is 830521429. The reversal of 830521373 is 373125038.

It is not a de Polignac number, because 830521373 - 2⁶ = 830521309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830521303) 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, 310661 + ... + 313322.

It is an arithmetic number, because the mean of its divisors is an integer number (114189072).

Almost surely, 2^830521373 is an apocalyptic number.

It is an amenable number.

830521373 is a deficient number, since it is larger than the sum of its proper divisors (82991203).

830521373 is an equidigital number, since it uses as much as digits as its factorization.

830521373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624016 (or 623994 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 830521373 is about 28818.7677217469. The cubic root of 830521373 is about 939.9763737083.

The spelling of 830521373 in words is "eight hundred thirty million, five hundred twenty-one thousand, three hundred seventy-three".