2156467253 has 8 divisors (see below), whose sum is σ = 2184247296. Its totient is φ = 2128840000.

The previous prime is 2156467249. The next prime is 2156467259. The reversal of 2156467253 is 3527646512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2156467253 - 2² = 2156467249 is a prime.

It is a super-2 number, since 2×2156467253² = 9300702026522732018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2156467253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156467259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9653 + ... + 66378.

It is an arithmetic number, because the mean of its divisors is an integer number (273030912).

Almost surely, 2^2156467253 is an apocalyptic number.

It is an amenable number.

2156467253 is a deficient number, since it is larger than the sum of its proper divisors (27780043).

2156467253 is a wasteful number, since it uses less digits than its factorization.

2156467253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76395.

The product of its digits is 302400, while the sum is 41.

The square root of 2156467253 is about 46437.7782952630. The cubic root of 2156467253 is about 1291.9557005150.

The spelling of 2156467253 in words is "two billion, one hundred fifty-six million, four hundred sixty-seven thousand, two hundred fifty-three".