64266049 has 2 divisors, whose sum is σ = 64266050. Its totient is φ = 64266048.

The previous prime is 64266047. The next prime is 64266091. The reversal of 64266049 is 94066246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56731024 + 7535025 = 7532^2 + 2745^2 .

It is a cyclic number.

It is not a de Polignac number, because 64266049 - 2¹ = 64266047 is a prime.

Together with 64266047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64265999 and 64266017.

It is not a weakly prime, because it can be changed into another prime (64266043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32133024 + 32133025.

It is an arithmetic number, because the mean of its divisors is an integer number (32133025).

Almost surely, 2^64266049 is an apocalyptic number.

It is an amenable number.

64266049 is a deficient number, since it is larger than the sum of its proper divisors (1).

64266049 is an equidigital number, since it uses as much as digits as its factorization.

64266049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 64266049 is about 8016.6108175463. The cubic root of 64266049 is about 400.5535024842.

The spelling of 64266049 in words is "sixty-four million, two hundred sixty-six thousand, forty-nine".