64211371 has 16 divisors (see below), whose sum is σ = 75579840. Its totient is φ = 53406720.

The previous prime is 64211359. The next prime is 64211429. The reversal of 64211371 is 17311246.

It is a cyclic number.

It is not a de Polignac number, because 64211371 - 2¹³ = 64203179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64211321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65235 + ... + 66211.

It is an arithmetic number, because the mean of its divisors is an integer number (4723740).

Almost surely, 2^64211371 is an apocalyptic number.

64211371 is a deficient number, since it is larger than the sum of its proper divisors (11368469).

64211371 is a wasteful number, since it uses less digits than its factorization.

64211371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

The product of its digits is 1008, while the sum is 25.

The square root of 64211371 is about 8013.1997978336. The cubic root of 64211371 is about 400.4398723535.

The spelling of 64211371 in words is "sixty-four million, two hundred eleven thousand, three hundred seventy-one".