2549503293 has 4 divisors (see below), whose sum is σ = 3399337728. Its totient is φ = 1699668860.

The previous prime is 2549503289. The next prime is 2549503301. The reversal of 2549503293 is 3923059452.

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 2549503293 - 2² = 2549503289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549503273) 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, 424917213 + ... + 424917218.

It is an arithmetic number, because the mean of its divisors is an integer number (849834432).

Almost surely, 2^2549503293 is an apocalyptic number.

It is an amenable number.

2549503293 is a deficient number, since it is larger than the sum of its proper divisors (849834435).

2549503293 is an equidigital number, since it uses as much as digits as its factorization.

2549503293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849834434.

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 2549503293 is about 50492.6063201336. The cubic root of 2549503293 is about 1366.1084964417.

The spelling of 2549503293 in words is "two billion, five hundred forty-nine million, five hundred three thousand, two hundred ninety-three".