302505013 has 2 divisors, whose sum is σ = 302505014. Its totient is φ = 302505012.

The previous prime is 302504981. The next prime is 302505031. The reversal of 302505013 is 310505203.

Together with next prime (302505031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285711409 + 16793604 = 16903^2 + 4098^2 .

It is a cyclic number.

It is not a de Polignac number, because 302505013 - 2⁵ = 302504981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302505083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151252506 + 151252507.

It is an arithmetic number, because the mean of its divisors is an integer number (151252507).

Almost surely, 2^302505013 is an apocalyptic number.

It is an amenable number.

302505013 is a deficient number, since it is larger than the sum of its proper divisors (1).

302505013 is an equidigital number, since it uses as much as digits as its factorization.

302505013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 302505013 is about 17392.6712439464. The cubic root of 302505013 is about 671.2910526073.

The spelling of 302505013 in words is "three hundred two million, five hundred five thousand, thirteen".