2256536237 has 2 divisors, whose sum is σ = 2256536238. Its totient is φ = 2256536236.

The previous prime is 2256536213. The next prime is 2256536263. The reversal of 2256536237 is 7326356522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2004711076 + 251825161 = 44774^2 + 15869^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256536237 - 2⁶ = 2256536173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2256536194 and 2256536203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256532237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128268118 + 1128268119.

It is an arithmetic number, because the mean of its divisors is an integer number (1128268119).

Almost surely, 2^2256536237 is an apocalyptic number.

It is an amenable number.

2256536237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256536237 is an equidigital number, since it uses as much as digits as its factorization.

2256536237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 41.

The square root of 2256536237 is about 47503.0129254977. The cubic root of 2256536237 is about 1311.6383434953.

The spelling of 2256536237 in words is "two billion, two hundred fifty-six million, five hundred thirty-six thousand, two hundred thirty-seven".