64158371 has 2 divisors, whose sum is σ = 64158372. Its totient is φ = 64158370.

The previous prime is 64158359. The next prime is 64158389. The reversal of 64158371 is 17385146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64158371 - 2²² = 59964067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64158301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32079185 + 32079186.

It is an arithmetic number, because the mean of its divisors is an integer number (32079186).

Almost surely, 2^64158371 is an apocalyptic number.

64158371 is a deficient number, since it is larger than the sum of its proper divisors (1).

64158371 is an equidigital number, since it uses as much as digits as its factorization.

64158371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 64158371 is about 8009.8920716824. The cubic root of 64158371 is about 400.3296678065.

The spelling of 64158371 in words is "sixty-four million, one hundred fifty-eight thousand, three hundred seventy-one".