65131351 has 2 divisors, whose sum is σ = 65131352. Its totient is φ = 65131350.

The previous prime is 65131349. The next prime is 65131379. The reversal of 65131351 is 15313156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65131351 - 2¹ = 65131349 is a prime.

Together with 65131349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65131321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32565675 + 32565676.

It is an arithmetic number, because the mean of its divisors is an integer number (32565676).

Almost surely, 2^65131351 is an apocalyptic number.

65131351 is a deficient number, since it is larger than the sum of its proper divisors (1).

65131351 is an equidigital number, since it uses as much as digits as its factorization.

65131351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 25.

The square root of 65131351 is about 8070.3996803132. The cubic root of 65131351 is about 402.3432276562.

The spelling of 65131351 in words is "sixty-five million, one hundred thirty-one thousand, three hundred fifty-one".