64254215 has 8 divisors (see below), whose sum is σ = 77426448. Its totient is φ = 51189120.

The previous prime is 64254199. The next prime is 64254221. The reversal of 64254215 is 51245246.

64254215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64254215 - 2⁴ = 64254199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25457 + ... + 27866.

It is an arithmetic number, because the mean of its divisors is an integer number (9678306).

Almost surely, 2^64254215 is an apocalyptic number.

64254215 is a deficient number, since it is larger than the sum of its proper divisors (13172233).

64254215 is a wasteful number, since it uses less digits than its factorization.

64254215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53569.

The product of its digits is 9600, while the sum is 29.

The square root of 64254215 is about 8015.8726911048. The cubic root of 64254215 is about 400.5289148977.

The spelling of 64254215 in words is "sixty-four million, two hundred fifty-four thousand, two hundred fifteen".