520793279 has 2 divisors, whose sum is σ = 520793280. Its totient is φ = 520793278.

The previous prime is 520793267. The next prime is 520793303. The reversal of 520793279 is 972397025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520793279 - 2²⁰ = 519744703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520793239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260396639 + 260396640.

It is an arithmetic number, because the mean of its divisors is an integer number (260396640).

Almost surely, 2^520793279 is an apocalyptic number.

520793279 is a deficient number, since it is larger than the sum of its proper divisors (1).

520793279 is an equidigital number, since it uses as much as digits as its factorization.

520793279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 520793279 is about 22820.8956660338. The cubic root of 520793279 is about 804.5538615580.

The spelling of 520793279 in words is "five hundred twenty million, seven hundred ninety-three thousand, two hundred seventy-nine".