520792397 has 2 divisors, whose sum is σ = 520792398. Its totient is φ = 520792396.

The previous prime is 520792387. The next prime is 520792457. The reversal of 520792397 is 793297025.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486908356 + 33884041 = 22066^2 + 5821^2 .

It is a cyclic number.

It is not a de Polignac number, because 520792397 - 2⁶ = 520792333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520792357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260396198 + 260396199.

It is an arithmetic number, because the mean of its divisors is an integer number (260396199).

Almost surely, 2^520792397 is an apocalyptic number.

It is an amenable number.

520792397 is a deficient number, since it is larger than the sum of its proper divisors (1).

520792397 is an equidigital number, since it uses as much as digits as its factorization.

520792397 is an odious number, because the sum of its binary digits is odd.

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

The square root of 520792397 is about 22820.8763416307. The cubic root of 520792397 is about 804.5534073683.

The spelling of 520792397 in words is "five hundred twenty million, seven hundred ninety-two thousand, three hundred ninety-seven".