64250371 has 2 divisors, whose sum is σ = 64250372. Its totient is φ = 64250370.

The previous prime is 64250357. The next prime is 64250401. The reversal of 64250371 is 17305246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64250371 - 2¹¹ = 64248323 is a prime.

It is a super-2 number, since 2×64250371² = 8256220347275282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64256371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32125185 + 32125186.

It is an arithmetic number, because the mean of its divisors is an integer number (32125186).

Almost surely, 2^64250371 is an apocalyptic number.

64250371 is a deficient number, since it is larger than the sum of its proper divisors (1).

64250371 is an equidigital number, since it uses as much as digits as its factorization.

64250371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 64250371 is about 8015.6329132515. The cubic root of 64250371 is about 400.5209275417.

The spelling of 64250371 in words is "sixty-four million, two hundred fifty thousand, three hundred seventy-one".