2513729 has 2 divisors, whose sum is σ = 2513730. Its totient is φ = 2513728.

The previous prime is 2513723. The next prime is 2513747. The reversal of 2513729 is 9273152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 142129 = 1540^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513729 - 2⁸ = 2513473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2513723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256864 + 1256865.

It is an arithmetic number, because the mean of its divisors is an integer number (1256865).

2^2513729 is an apocalyptic number.

It is an amenable number.

2513729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513729 is an equidigital number, since it uses as much as digits as its factorization.

2513729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 2513729 is about 1585.4743769610. The cubic root of 2513729 is about 135.9688690279.

The spelling of 2513729 in words is "two million, five hundred thirteen thousand, seven hundred twenty-nine".