2573247338 has 4 divisors (see below), whose sum is σ = 3859871010. Its totient is φ = 1286623668.

The previous prime is 2573247317. The next prime is 2573247353. The reversal of 2573247338 is 8337423752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2018974489 + 554272849 = 44933^2 + 23543^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643311833 + ... + 643311836.

Almost surely, 2^2573247338 is an apocalyptic number.

2573247338 is a deficient number, since it is larger than the sum of its proper divisors (1286623672).

2573247338 is a wasteful number, since it uses less digits than its factorization.

2573247338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286623671.

The product of its digits is 846720, while the sum is 44.

The square root of 2573247338 is about 50727.1853940271. The cubic root of 2573247338 is about 1370.3363477007.

The spelling of 2573247338 in words is "two billion, five hundred seventy-three million, two hundred forty-seven thousand, three hundred thirty-eight".