64253401 has 2 divisors, whose sum is σ = 64253402. Its totient is φ = 64253400.

The previous prime is 64253381. The next prime is 64253407. The reversal of 64253401 is 10435246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 20693401 = 6600^2 + 4549^2 .

It is a cyclic number.

It is not a de Polignac number, because 64253401 - 2¹⁵ = 64220633 is a prime.

It is not a weakly prime, because it can be changed into another prime (64253407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32126700 + 32126701.

It is an arithmetic number, because the mean of its divisors is an integer number (32126701).

Almost surely, 2^64253401 is an apocalyptic number.

It is an amenable number.

64253401 is a deficient number, since it is larger than the sum of its proper divisors (1).

64253401 is an equidigital number, since it uses as much as digits as its factorization.

64253401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 64253401 is about 8015.8219166845. The cubic root of 64253401 is about 400.5272235331.

Adding to 64253401 its reverse (10435246), we get a palindrome (74688647).

The spelling of 64253401 in words is "sixty-four million, two hundred fifty-three thousand, four hundred one".