64951451 has 2 divisors, whose sum is σ = 64951452. Its totient is φ = 64951450.

The previous prime is 64951433. The next prime is 64951463. The reversal of 64951451 is 15415946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64951451 - 2¹⁴ = 64935067 is a prime.

It is not a weakly prime, because it can be changed into another prime (64950451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32475725 + 32475726.

It is an arithmetic number, because the mean of its divisors is an integer number (32475726).

Almost surely, 2^64951451 is an apocalyptic number.

64951451 is a deficient number, since it is larger than the sum of its proper divisors (1).

64951451 is an equidigital number, since it uses as much as digits as its factorization.

64951451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 64951451 is about 8059.2463047111. The cubic root of 64951451 is about 401.9724472259.

The spelling of 64951451 in words is "sixty-four million, nine hundred fifty-one thousand, four hundred fifty-one".