63331253 has 2 divisors, whose sum is σ = 63331254. Its totient is φ = 63331252.

The previous prime is 63331187. The next prime is 63331283. The reversal of 63331253 is 35213336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 9778129 = 7318^2 + 3127^2 .

It is a cyclic number.

It is not a de Polignac number, because 63331253 - 2¹⁴ = 63314869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63331283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31665626 + 31665627.

It is an arithmetic number, because the mean of its divisors is an integer number (31665627).

Almost surely, 2^63331253 is an apocalyptic number.

It is an amenable number.

63331253 is a deficient number, since it is larger than the sum of its proper divisors (1).

63331253 is an equidigital number, since it uses as much as digits as its factorization.

63331253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 26.

The square root of 63331253 is about 7958.0935531068. The cubic root of 63331253 is about 398.6018960401.

Adding to 63331253 its reverse (35213336), we get a palindrome (98544589).

The spelling of 63331253 in words is "sixty-three million, three hundred thirty-one thousand, two hundred fifty-three".