5149203253 has 4 divisors (see below), whose sum is σ = 5452097580. Its totient is φ = 4846308928.

The previous prime is 5149203247. The next prime is 5149203289. The reversal of 5149203253 is 3523029415.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3109958289 + 2039244964 = 55767^2 + 45158^2 .

It is a cyclic number.

It is not a de Polignac number, because 5149203253 - 2⁹ = 5149202741 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 (5149203203) 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, 151447138 + ... + 151447171.

It is an arithmetic number, because the mean of its divisors is an integer number (1363024395).

Almost surely, 2^5149203253 is an apocalyptic number.

It is an amenable number.

5149203253 is a deficient number, since it is larger than the sum of its proper divisors (302894327).

5149203253 is a wasteful number, since it uses less digits than its factorization.

5149203253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302894326.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 5149203253 is about 71757.9490579267. The cubic root of 5149203253 is about 1726.8184425839.

The spelling of 5149203253 in words is "five billion, one hundred forty-nine million, two hundred three thousand, two hundred fifty-three".