2909513 has 2 divisors, whose sum is σ = 2909514. Its totient is φ = 2909512.

The previous prime is 2909461. The next prime is 2909519. The reversal of 2909513 is 3159092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2866249 + 43264 = 1693^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2909513 - 2¹² = 2905417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2909519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454756 + 1454757.

It is an arithmetic number, because the mean of its divisors is an integer number (1454757).

2^2909513 is an apocalyptic number.

It is an amenable number.

2909513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2909513 is an equidigital number, since it uses as much as digits as its factorization.

2909513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2909513 is about 1705.7294627226. The cubic root of 2909513 is about 142.7600749645.

The spelling of 2909513 in words is "two million, nine hundred nine thousand, five hundred thirteen".