65972701 has 2 divisors, whose sum is σ = 65972702. Its totient is φ = 65972700.

The previous prime is 65972657. The next prime is 65972719. The reversal of 65972701 is 10727956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65189476 + 783225 = 8074^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 65972701 - 2⁷ = 65972573 is a prime.

It is equal to p_3894580 and since 65972701 and 3894580 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 (65972771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32986350 + 32986351.

It is an arithmetic number, because the mean of its divisors is an integer number (32986351).

Almost surely, 2^65972701 is an apocalyptic number.

It is an amenable number.

65972701 is a deficient number, since it is larger than the sum of its proper divisors (1).

65972701 is an equidigital number, since it uses as much as digits as its factorization.

65972701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 65972701 is about 8122.3580935588. The cubic root of 65972701 is about 404.0682762919.

The spelling of 65972701 in words is "sixty-five million, nine hundred seventy-two thousand, seven hundred one".