2497545913 has 4 divisors (see below), whose sum is σ = 2532722688. Its totient is φ = 2462369140.

The previous prime is 2497545893. The next prime is 2497545923. The reversal of 2497545913 is 3195457942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2497545913 - 2²⁹ = 1960675001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2497545923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17588281 + ... + 17588422.

It is an arithmetic number, because the mean of its divisors is an integer number (633180672).

Almost surely, 2^2497545913 is an apocalyptic number.

It is an amenable number.

2497545913 is a deficient number, since it is larger than the sum of its proper divisors (35176775).

2497545913 is an equidigital number, since it uses as much as digits as its factorization.

2497545913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35176774.

The product of its digits is 1360800, while the sum is 49.

The square root of 2497545913 is about 49975.4531044992. The cubic root of 2497545913 is about 1356.7645684396.

The spelling of 2497545913 in words is "two billion, four hundred ninety-seven million, five hundred forty-five thousand, nine hundred thirteen".