63155497 has 2 divisors, whose sum is σ = 63155498. Its totient is φ = 63155496.

The previous prime is 63155483. The next prime is 63155507. The reversal of 63155497 is 79455136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58614336 + 4541161 = 7656^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 63155497 - 2⁷ = 63155369 is a prime.

It is not a weakly prime, because it can be changed into another prime (63155467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31577748 + 31577749.

It is an arithmetic number, because the mean of its divisors is an integer number (31577749).

Almost surely, 2^63155497 is an apocalyptic number.

It is an amenable number.

63155497 is a deficient number, since it is larger than the sum of its proper divisors (1).

63155497 is an equidigital number, since it uses as much as digits as its factorization.

63155497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 63155497 is about 7947.0432866570. The cubic root of 63155497 is about 398.2328229607.

The spelling of 63155497 in words is "sixty-three million, one hundred fifty-five thousand, four hundred ninety-seven".