66252337 has 2 divisors, whose sum is σ = 66252338. Its totient is φ = 66252336.

The previous prime is 66252317. The next prime is 66252359. The reversal of 66252337 is 73325266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62236321 + 4016016 = 7889^2 + 2004^2 .

It is a cyclic number.

It is not a de Polignac number, because 66252337 - 2⁷ = 66252209 is a prime.

It is not a weakly prime, because it can be changed into another prime (66252317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33126168 + 33126169.

It is an arithmetic number, because the mean of its divisors is an integer number (33126169).

Almost surely, 2^66252337 is an apocalyptic number.

It is an amenable number.

66252337 is a deficient number, since it is larger than the sum of its proper divisors (1).

66252337 is an equidigital number, since it uses as much as digits as its factorization.

66252337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 34.

The square root of 66252337 is about 8139.5538575526. The cubic root of 66252337 is about 404.6383745529.

The spelling of 66252337 in words is "sixty-six million, two hundred fifty-two thousand, three hundred thirty-seven".