64582997 has 2 divisors, whose sum is σ = 64582998. Its totient is φ = 64582996.

The previous prime is 64582981. The next prime is 64583009. The reversal of 64582997 is 79928546.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64224196 + 358801 = 8014^2 + 599^2 .

It is a cyclic number.

It is not a de Polignac number, because 64582997 - 2⁴ = 64582981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64582967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32291498 + 32291499.

It is an arithmetic number, because the mean of its divisors is an integer number (32291499).

Almost surely, 2^64582997 is an apocalyptic number.

It is an amenable number.

64582997 is a deficient number, since it is larger than the sum of its proper divisors (1).

64582997 is an equidigital number, since it uses as much as digits as its factorization.

64582997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 64582997 is about 8036.3547084484. The cubic root of 64582997 is about 401.2109076410.

The spelling of 64582997 in words is "sixty-four million, five hundred eighty-two thousand, nine hundred ninety-seven".