65193901 has 2 divisors, whose sum is σ = 65193902. Its totient is φ = 65193900.

The previous prime is 65193859. The next prime is 65193917. The reversal of 65193901 is 10939156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42640900 + 22553001 = 6530^2 + 4749^2 .

It is a cyclic number.

It is not a de Polignac number, because 65193901 - 2¹⁵ = 65161133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65193941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32596950 + 32596951.

It is an arithmetic number, because the mean of its divisors is an integer number (32596951).

Almost surely, 2^65193901 is an apocalyptic number.

It is an amenable number.

65193901 is a deficient number, since it is larger than the sum of its proper divisors (1).

65193901 is an equidigital number, since it uses as much as digits as its factorization.

65193901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 65193901 is about 8074.2740230933. The cubic root of 65193901 is about 402.4719854992.

The spelling of 65193901 in words is "sixty-five million, one hundred ninety-three thousand, nine hundred one".