63120653 has 2 divisors, whose sum is σ = 63120654. Its totient is φ = 63120652.

The previous prime is 63120623. The next prime is 63120667. The reversal of 63120653 is 35602136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60016009 + 3104644 = 7747^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 63120653 - 2¹⁴ = 63104269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63120613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31560326 + 31560327.

It is an arithmetic number, because the mean of its divisors is an integer number (31560327).

Almost surely, 2^63120653 is an apocalyptic number.

It is an amenable number.

63120653 is a deficient number, since it is larger than the sum of its proper divisors (1).

63120653 is an equidigital number, since it uses as much as digits as its factorization.

63120653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 63120653 is about 7944.8507223232. The cubic root of 63120653 is about 398.1595721337.

Adding to 63120653 its reverse (35602136), we get a palindrome (98722789).

The spelling of 63120653 in words is "sixty-three million, one hundred twenty thousand, six hundred fifty-three".