2597340947 has 8 divisors (see below), whose sum is σ = 2630400480. Its totient is φ = 2564425600.

The previous prime is 2597340919. The next prime is 2597340973. The reversal of 2597340947 is 7490437952.

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 2597340947 - 2¹² = 2597336851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2597340895 and 2597340904.

It is not an unprimeable number, because it can be changed into a prime (2597340047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443 + ... + 72075.

It is an arithmetic number, because the mean of its divisors is an integer number (328800060).

Almost surely, 2^2597340947 is an apocalyptic number.

2597340947 is a deficient number, since it is larger than the sum of its proper divisors (33059533).

2597340947 is a wasteful number, since it uses less digits than its factorization.

2597340947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72093.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 2597340947 is about 50964.1143060487. The cubic root of 2597340947 is about 1374.5999403843.

The spelling of 2597340947 in words is "two billion, five hundred ninety-seven million, three hundred forty thousand, nine hundred forty-seven".