64052381 has 2 divisors, whose sum is σ = 64052382. Its totient is φ = 64052380.

The previous prime is 64052369. The next prime is 64052393. The reversal of 64052381 is 18325046.

It is a balanced prime because it is at equal distance from previous prime (64052369) and next prime (64052393).

It can be written as a sum of positive squares in only one way, i.e., 45346756 + 18705625 = 6734^2 + 4325^2 .

It is a cyclic number.

It is not a de Polignac number, because 64052381 - 2²² = 59858077 is a prime.

It is a super-2 number, since 2×64052381² = 8205415023538322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64052341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32026190 + 32026191.

It is an arithmetic number, because the mean of its divisors is an integer number (32026191).

Almost surely, 2^64052381 is an apocalyptic number.

It is an amenable number.

64052381 is a deficient number, since it is larger than the sum of its proper divisors (1).

64052381 is an equidigital number, since it uses as much as digits as its factorization.

64052381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 64052381 is about 8003.2731429085. The cubic root of 64052381 is about 400.1090973251.

The spelling of 64052381 in words is "sixty-four million, fifty-two thousand, three hundred eighty-one".