65732501 has 2 divisors, whose sum is σ = 65732502. Its totient is φ = 65732500.

The previous prime is 65732479. The next prime is 65732507. The reversal of 65732501 is 10523756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43217476 + 22515025 = 6574^2 + 4745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65732501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_3881207 and since 65732501 and 3881207 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65732507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32866250 + 32866251.

It is an arithmetic number, because the mean of its divisors is an integer number (32866251).

Almost surely, 2^65732501 is an apocalyptic number.

It is an amenable number.

65732501 is a deficient number, since it is larger than the sum of its proper divisors (1).

65732501 is an equidigital number, since it uses as much as digits as its factorization.

65732501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 65732501 is about 8107.5582637438. The cubic root of 65732501 is about 403.5772892160.

The spelling of 65732501 in words is "sixty-five million, seven hundred thirty-two thousand, five hundred one".