520977433 has 2 divisors, whose sum is σ = 520977434. Its totient is φ = 520977432.

The previous prime is 520977409. The next prime is 520977467. The reversal of 520977433 is 334779025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262828944 + 258148489 = 16212^2 + 16067^2 .

It is a cyclic number.

It is not a de Polignac number, because 520977433 - 2⁹ = 520976921 is a prime.

It is not a weakly prime, because it can be changed into another prime (520977403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260488716 + 260488717.

It is an arithmetic number, because the mean of its divisors is an integer number (260488717).

Almost surely, 2^520977433 is an apocalyptic number.

It is an amenable number.

520977433 is a deficient number, since it is larger than the sum of its proper divisors (1).

520977433 is an equidigital number, since it uses as much as digits as its factorization.

520977433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 520977433 is about 22824.9300765632. The cubic root of 520977433 is about 804.6486812352.

The spelling of 520977433 in words is "five hundred twenty million, nine hundred seventy-seven thousand, four hundred thirty-three".