2513239405 has 8 divisors (see below), whose sum is σ = 3049774200. Its totient is φ = 1988000256.

The previous prime is 2513239363. The next prime is 2513239411. The reversal of 2513239405 is 5049323152.

It can be written as a sum of positive squares in 4 ways, for example, as 18636489 + 2494602916 = 4317^2 + 49946^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2513239405 - 2¹⁷ = 2513108333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2823420 + ... + 2824309.

It is an arithmetic number, because the mean of its divisors is an integer number (381221775).

Almost surely, 2^2513239405 is an apocalyptic number.

It is an amenable number.

2513239405 is a deficient number, since it is larger than the sum of its proper divisors (536534795).

2513239405 is an equidigital number, since it uses as much as digits as its factorization.

2513239405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647823.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 2513239405 is about 50132.2192307502. The cubic root of 2513239405 is about 1359.6004097463.

The spelling of 2513239405 in words is "two billion, five hundred thirteen million, two hundred thirty-nine thousand, four hundred five".