520455007 has 2 divisors, whose sum is σ = 520455008. Its totient is φ = 520455006.

The previous prime is 520454969. The next prime is 520455037. The reversal of 520455007 is 700554025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520455007 is a prime.

It is a super-2 number, since 2×520455007² = 541746828622740098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520455037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260227503 + 260227504.

It is an arithmetic number, because the mean of its divisors is an integer number (260227504).

Almost surely, 2^520455007 is an apocalyptic number.

520455007 is a deficient number, since it is larger than the sum of its proper divisors (1).

520455007 is an equidigital number, since it uses as much as digits as its factorization.

520455007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 520455007 is about 22813.4830089577. The cubic root of 520455007 is about 804.3796292850.

The spelling of 520455007 in words is "five hundred twenty million, four hundred fifty-five thousand, seven".