64254651 has 4 divisors (see below), whose sum is σ = 85672872. Its totient is φ = 42836432.

The previous prime is 64254649. The next prime is 64254653. The reversal of 64254651 is 15645246.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (64254649) and next prime (64254653).

It is a cyclic number.

It is not a de Polignac number, because 64254651 - 2¹ = 64254649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64254653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10709106 + ... + 10709111.

It is an arithmetic number, because the mean of its divisors is an integer number (21418218).

Almost surely, 2^64254651 is an apocalyptic number.

64254651 is a deficient number, since it is larger than the sum of its proper divisors (21418221).

64254651 is a wasteful number, since it uses less digits than its factorization.

64254651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21418220.

The product of its digits is 28800, while the sum is 33.

The square root of 64254651 is about 8015.8998870994. The cubic root of 64254651 is about 400.5298208315.

Adding to 64254651 its reverse (15645246), we get a palindrome (79899897).

The spelling of 64254651 in words is "sixty-four million, two hundred fifty-four thousand, six hundred fifty-one".