2611437253 has 4 divisors (see below), whose sum is σ = 2660709708. Its totient is φ = 2562164800.

The previous prime is 2611437247. The next prime is 2611437271. The reversal of 2611437253 is 3527341162.

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 1852269444 + 759167809 = 43038^2 + 27553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2611437253 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 (2611437223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24636148 + ... + 24636253.

It is an arithmetic number, because the mean of its divisors is an integer number (665177427).

Almost surely, 2^2611437253 is an apocalyptic number.

It is an amenable number.

2611437253 is a deficient number, since it is larger than the sum of its proper divisors (49272455).

2611437253 is an equidigital number, since it uses as much as digits as its factorization.

2611437253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49272454.

The product of its digits is 30240, while the sum is 34.

The square root of 2611437253 is about 51102.2235621895. The cubic root of 2611437253 is about 1377.0822011734.

The spelling of 2611437253 in words is "two billion, six hundred eleven million, four hundred thirty-seven thousand, two hundred fifty-three".