63147373 has 2 divisors, whose sum is σ = 63147374. Its totient is φ = 63147372.

The previous prime is 63147353. The next prime is 63147389. The reversal of 63147373 is 37374136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60264169 + 2883204 = 7763^2 + 1698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63147373 is a prime.

It is a super-2 number, since 2×63147373² = 7975181433602258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63147353) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31573686 + 31573687.

It is an arithmetic number, because the mean of its divisors is an integer number (31573687).

Almost surely, 2^63147373 is an apocalyptic number.

It is an amenable number.

63147373 is a deficient number, since it is larger than the sum of its proper divisors (1).

63147373 is an equidigital number, since it uses as much as digits as its factorization.

63147373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 34.

The square root of 63147373 is about 7946.5321367248. The cubic root of 63147373 is about 398.2157466842.

The spelling of 63147373 in words is "sixty-three million, one hundred forty-seven thousand, three hundred seventy-three".