2497381273 has 4 divisors (see below), whose sum is σ = 2527470288. Its totient is φ = 2467292260.

The previous prime is 2497381199. The next prime is 2497381321. The reversal of 2497381273 is 3721837942.

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 a de Polignac number, because none of the positive numbers 2^k-2497381273 is a prime.

It is a super-2 number, since 2×2497381273² = 12473826445462201058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2497381673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15044383 + ... + 15044548.

It is an arithmetic number, because the mean of its divisors is an integer number (631867572).

Almost surely, 2^2497381273 is an apocalyptic number.

It is an amenable number.

2497381273 is a deficient number, since it is larger than the sum of its proper divisors (30089015).

2497381273 is an equidigital number, since it uses as much as digits as its factorization.

2497381273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30089014.

The product of its digits is 508032, while the sum is 46.

The square root of 2497381273 is about 49973.8058686748. The cubic root of 2497381273 is about 1356.7347548232.

The spelling of 2497381273 in words is "two billion, four hundred ninety-seven million, three hundred eighty-one thousand, two hundred seventy-three".