2549701253 has 4 divisors (see below), whose sum is σ = 2781492288. Its totient is φ = 2317910220.

The previous prime is 2549701247. The next prime is 2549701291. The reversal of 2549701253 is 3521079452.

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-2549701253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549781253) 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, 115895501 + ... + 115895522.

It is an arithmetic number, because the mean of its divisors is an integer number (695373072).

Almost surely, 2^2549701253 is an apocalyptic number.

It is an amenable number.

2549701253 is a deficient number, since it is larger than the sum of its proper divisors (231791035).

2549701253 is a wasteful number, since it uses less digits than its factorization.

2549701253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231791034.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2549701253 is about 50494.5665690874. The cubic root of 2549701253 is about 1366.1438533731.

The spelling of 2549701253 in words is "two billion, five hundred forty-nine million, seven hundred one thousand, two hundred fifty-three".