63155453 has 2 divisors, whose sum is σ = 63155454. Its totient is φ = 63155452.

The previous prime is 63155413. The next prime is 63155467. The reversal of 63155453 is 35455136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63075364 + 80089 = 7942^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 63155453 - 2¹⁸ = 62893309 is a prime.

It is a super-2 number, since 2×63155453² = 7977222487270418, which contains 22 as substring.

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 (63155413) 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, 31577726 + 31577727.

It is an arithmetic number, because the mean of its divisors is an integer number (31577727).

Almost surely, 2^63155453 is an apocalyptic number.

It is an amenable number.

63155453 is a deficient number, since it is larger than the sum of its proper divisors (1).

63155453 is an equidigital number, since it uses as much as digits as its factorization.

63155453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 32.

The square root of 63155453 is about 7947.0405183313. The cubic root of 63155453 is about 398.2327304786.

The spelling of 63155453 in words is "sixty-three million, one hundred fifty-five thousand, four hundred fifty-three".