6113257249 has 4 divisors (see below), whose sum is σ = 6669007920. Its totient is φ = 5557506580.

The previous prime is 6113257229. The next prime is 6113257259. The reversal of 6113257249 is 9427523116.

It is a happy number.

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 6113257249 - 2¹³ = 6113249057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6113257229) 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, 277875319 + ... + 277875340.

It is an arithmetic number, because the mean of its divisors is an integer number (1667251980).

Almost surely, 2^6113257249 is an apocalyptic number.

It is an amenable number.

6113257249 is a deficient number, since it is larger than the sum of its proper divisors (555750671).

6113257249 is a wasteful number, since it uses less digits than its factorization.

6113257249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555750670.

The product of its digits is 90720, while the sum is 40.

The square root of 6113257249 is about 78187.3215361672. The cubic root of 6113257249 is about 1828.4828466921.

It can be divided in two parts, 6113 and 257249, that added together give a palindrome (263362).

The spelling of 6113257249 in words is "six billion, one hundred thirteen million, two hundred fifty-seven thousand, two hundred forty-nine".