415620613 has 2 divisors, whose sum is σ = 415620614. Its totient is φ = 415620612.

The previous prime is 415620551. The next prime is 415620617. The reversal of 415620613 is 316026514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289238049 + 126382564 = 17007^2 + 11242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415620613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415620617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207810306 + 207810307.

It is an arithmetic number, because the mean of its divisors is an integer number (207810307).

Almost surely, 2^415620613 is an apocalyptic number.

It is an amenable number.

415620613 is a deficient number, since it is larger than the sum of its proper divisors (1).

415620613 is an equidigital number, since it uses as much as digits as its factorization.

415620613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 415620613 is about 20386.7754438999. The cubic root of 415620613 is about 746.2752286540.

The spelling of 415620613 in words is "four hundred fifteen million, six hundred twenty thousand, six hundred thirteen".