64435051 has 2 divisors, whose sum is σ = 64435052. Its totient is φ = 64435050.

The previous prime is 64435037. The next prime is 64435069. The reversal of 64435051 is 15053446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64435051 - 2²³ = 56046443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64435001) 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, 32217525 + 32217526.

It is an arithmetic number, because the mean of its divisors is an integer number (32217526).

Almost surely, 2^64435051 is an apocalyptic number.

64435051 is a deficient number, since it is larger than the sum of its proper divisors (1).

64435051 is an equidigital number, since it uses as much as digits as its factorization.

64435051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 64435051 is about 8027.1446355476. The cubic root of 64435051 is about 400.9043102667.

Adding to 64435051 its reverse (15053446), we get a palindrome (79488497).

The spelling of 64435051 in words is "sixty-four million, four hundred thirty-five thousand, fifty-one".