64270361 has 2 divisors, whose sum is σ = 64270362. Its totient is φ = 64270360.

The previous prime is 64270321. The next prime is 64270373. The reversal of 64270361 is 16307246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34633225 + 29637136 = 5885^2 + 5444^2 .

It is a cyclic number.

It is not a de Polignac number, because 64270361 - 2²² = 60076057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64270321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32135180 + 32135181.

It is an arithmetic number, because the mean of its divisors is an integer number (32135181).

Almost surely, 2^64270361 is an apocalyptic number.

It is an amenable number.

64270361 is a deficient number, since it is larger than the sum of its proper divisors (1).

64270361 is an equidigital number, since it uses as much as digits as its factorization.

64270361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 64270361 is about 8016.8797546178. The cubic root of 64270361 is about 400.5624608072.

The spelling of 64270361 in words is "sixty-four million, two hundred seventy thousand, three hundred sixty-one".