65283557 has 2 divisors, whose sum is σ = 65283558. Its totient is φ = 65283556.

The previous prime is 65283541. The next prime is 65283599. The reversal of 65283557 is 75538256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52330756 + 12952801 = 7234^2 + 3599^2 .

It is a cyclic number.

It is not a de Polignac number, because 65283557 - 2⁴ = 65283541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65285557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32641778 + 32641779.

It is an arithmetic number, because the mean of its divisors is an integer number (32641779).

Almost surely, 2^65283557 is an apocalyptic number.

It is an amenable number.

65283557 is a deficient number, since it is larger than the sum of its proper divisors (1).

65283557 is an equidigital number, since it uses as much as digits as its factorization.

65283557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 41.

The square root of 65283557 is about 8079.8240698669. The cubic root of 65283557 is about 402.6563969203.

The spelling of 65283557 in words is "sixty-five million, two hundred eighty-three thousand, five hundred fifty-seven".