64274401 has 2 divisors, whose sum is σ = 64274402. Its totient is φ = 64274400.

The previous prime is 64274393. The next prime is 64274407. The reversal of 64274401 is 10447246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52707600 + 11566801 = 7260^2 + 3401^2 .

It is a cyclic number.

It is not a de Polignac number, because 64274401 - 2³ = 64274393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64274401.

It is not a weakly prime, because it can be changed into another prime (64274407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32137200 + 32137201.

It is an arithmetic number, because the mean of its divisors is an integer number (32137201).

Almost surely, 2^64274401 is an apocalyptic number.

It is an amenable number.

64274401 is a deficient number, since it is larger than the sum of its proper divisors (1).

64274401 is an equidigital number, since it uses as much as digits as its factorization.

64274401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 64274401 is about 8017.1317190127. The cubic root of 64274401 is about 400.5708536776.

The spelling of 64274401 in words is "sixty-four million, two hundred seventy-four thousand, four hundred one".