2623191253 has 4 divisors (see below), whose sum is σ = 2624819148. Its totient is φ = 2621563360.

The previous prime is 2623191229. The next prime is 2623191269. The reversal of 2623191253 is 3521913262.

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 964909969 + 1658281284 = 31063^2 + 40722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2623191253 is a prime.

It is a super-2 number, since 2×2623191253² = 13762264699631420018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623191283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811528 + ... + 814753.

It is an arithmetic number, because the mean of its divisors is an integer number (656204787).

Almost surely, 2^2623191253 is an apocalyptic number.

It is an amenable number.

2623191253 is a deficient number, since it is larger than the sum of its proper divisors (1627895).

2623191253 is a wasteful number, since it uses less digits than its factorization.

2623191253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627894.

The product of its digits is 19440, while the sum is 34.

The square root of 2623191253 is about 51217.0992247706. The cubic root of 2623191253 is about 1379.1451775604.

The spelling of 2623191253 in words is "two billion, six hundred twenty-three million, one hundred ninety-one thousand, two hundred fifty-three".