2257671137 has 4 divisors (see below), whose sum is σ = 2257770180. Its totient is φ = 2257572096.

The previous prime is 2257671071. The next prime is 2257671149. The reversal of 2257671137 is 7311767522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1511343376 + 746327761 = 38876^2 + 27319^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257671137 - 2²⁰ = 2256622561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2257671094 and 2257671103.

It is not an unprimeable number, because it can be changed into a prime (2257671187) 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, 3833 + ... + 67305.

It is an arithmetic number, because the mean of its divisors is an integer number (564442545).

Almost surely, 2^2257671137 is an apocalyptic number.

It is an amenable number.

2257671137 is a deficient number, since it is larger than the sum of its proper divisors (99043).

2257671137 is an equidigital number, since it uses as much as digits as its factorization.

2257671137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99042.

The product of its digits is 123480, while the sum is 41.

The square root of 2257671137 is about 47514.9569819862. The cubic root of 2257671137 is about 1311.8581979853.

The spelling of 2257671137 in words is "two billion, two hundred fifty-seven million, six hundred seventy-one thousand, one hundred thirty-seven".