65467057 has 6 divisors (see below), whose sum is σ = 66434018. Its totient is φ = 64502064.

The previous prime is 65467043. The next prime is 65467067. The reversal of 65467057 is 75076456.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57395776 + 8071281 = 7576^2 + 2841^2 .

It is not a de Polignac number, because 65467057 - 2¹⁵ = 65434289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65467067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68658 + ... + 69604.

Almost surely, 2^65467057 is an apocalyptic number.

It is an amenable number.

65467057 is a deficient number, since it is larger than the sum of its proper divisors (966961).

65467057 is an frugal number, since it uses more digits than its factorization.

65467057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 65467057 is about 8091.1715468157. The cubic root of 65467057 is about 403.0333082088.

The spelling of 65467057 in words is "sixty-five million, four hundred sixty-seven thousand, fifty-seven".