64612151 has 2 divisors, whose sum is σ = 64612152. Its totient is φ = 64612150.

The previous prime is 64612123. The next prime is 64612183. The reversal of 64612151 is 15121646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64612151 - 2¹⁸ = 64350007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64612151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64615151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32306075 + 32306076.

It is an arithmetic number, because the mean of its divisors is an integer number (32306076).

Almost surely, 2^64612151 is an apocalyptic number.

64612151 is a deficient number, since it is larger than the sum of its proper divisors (1).

64612151 is an equidigital number, since it uses as much as digits as its factorization.

64612151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 64612151 is about 8038.1683858949. The cubic root of 64612151 is about 401.2712699846.

Adding to 64612151 its reverse (15121646), we get a palindrome (79733797).

The spelling of 64612151 in words is "sixty-four million, six hundred twelve thousand, one hundred fifty-one".