64070551 has 2 divisors, whose sum is σ = 64070552. Its totient is φ = 64070550.

The previous prime is 64070549. The next prime is 64070563. The reversal of 64070551 is 15507046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64070551 - 2¹ = 64070549 is a prime.

Together with 64070549, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64070581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32035275 + 32035276.

It is an arithmetic number, because the mean of its divisors is an integer number (32035276).

Almost surely, 2^64070551 is an apocalyptic number.

64070551 is a deficient number, since it is larger than the sum of its proper divisors (1).

64070551 is an equidigital number, since it uses as much as digits as its factorization.

64070551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 64070551 is about 8004.4082229731. The cubic root of 64070551 is about 400.1469272743.

Adding to 64070551 its reverse (15507046), we get a palindrome (79577597).

The spelling of 64070551 in words is "sixty-four million, seventy thousand, five hundred fifty-one".