65240767 has 2 divisors, whose sum is σ = 65240768. Its totient is φ = 65240766.

The previous prime is 65240753. The next prime is 65240779. The reversal of 65240767 is 76704256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65240767 - 2⁷ = 65240639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65240797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32620383 + 32620384.

It is an arithmetic number, because the mean of its divisors is an integer number (32620384).

Almost surely, 2^65240767 is an apocalyptic number.

65240767 is a deficient number, since it is larger than the sum of its proper divisors (1).

65240767 is an equidigital number, since it uses as much as digits as its factorization.

65240767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 65240767 is about 8077.1756821305. The cubic root of 65240767 is about 402.5684042017.

The spelling of 65240767 in words is "sixty-five million, two hundred forty thousand, seven hundred sixty-seven".