64121053 has 2 divisors, whose sum is σ = 64121054. Its totient is φ = 64121052.

The previous prime is 64121027. The next prime is 64121063. The reversal of 64121053 is 35012146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63393444 + 727609 = 7962^2 + 853^2 .

It is a cyclic number.

It is not a de Polignac number, because 64121053 - 2⁵ = 64121021 is a prime.

It is a super-2 number, since 2×64121053² = 8223018875657618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64121063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32060526 + 32060527.

It is an arithmetic number, because the mean of its divisors is an integer number (32060527).

Almost surely, 2^64121053 is an apocalyptic number.

It is an amenable number.

64121053 is a deficient number, since it is larger than the sum of its proper divisors (1).

64121053 is an equidigital number, since it uses as much as digits as its factorization.

64121053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 64121053 is about 8007.5622382845. The cubic root of 64121053 is about 400.2520349127.

Adding to 64121053 its reverse (35012146), we get a palindrome (99133199).

The spelling of 64121053 in words is "sixty-four million, one hundred twenty-one thousand, fifty-three".