65754391 has 2 divisors, whose sum is σ = 65754392. Its totient is φ = 65754390.

The previous prime is 65754371. The next prime is 65754431. The reversal of 65754391 is 19345756.

It is an a-pointer prime, because the next prime (65754431) can be obtained adding 65754391 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65754391 - 2⁹ = 65753879 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 (65754301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32877195 + 32877196.

It is an arithmetic number, because the mean of its divisors is an integer number (32877196).

Almost surely, 2^65754391 is an apocalyptic number.

65754391 is a deficient number, since it is larger than the sum of its proper divisors (1).

65754391 is an equidigital number, since it uses as much as digits as its factorization.

65754391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 65754391 is about 8108.9081262523. The cubic root of 65754391 is about 403.6220835275.

The spelling of 65754391 in words is "sixty-five million, seven hundred fifty-four thousand, three hundred ninety-one".