64147351 has 2 divisors, whose sum is σ = 64147352. Its totient is φ = 64147350.

The previous prime is 64147313. The next prime is 64147387. The reversal of 64147351 is 15374146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64147351 - 2²³ = 55758743 is a prime.

It is a super-2 number, since 2×64147351² = 8229765280634402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64141351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32073675 + 32073676.

It is an arithmetic number, because the mean of its divisors is an integer number (32073676).

Almost surely, 2^64147351 is an apocalyptic number.

64147351 is a deficient number, since it is larger than the sum of its proper divisors (1).

64147351 is an equidigital number, since it uses as much as digits as its factorization.

64147351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 64147351 is about 8009.2041427348. The cubic root of 64147351 is about 400.3067459572.

The spelling of 64147351 in words is "sixty-four million, one hundred forty-seven thousand, three hundred fifty-one".