63610873 has 2 divisors, whose sum is σ = 63610874. Its totient is φ = 63610872.

The previous prime is 63610837. The next prime is 63610901. The reversal of 63610873 is 37801636.

Together with previous prime (63610837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50737129 + 12873744 = 7123^2 + 3588^2 .

It is a cyclic number.

It is not a de Polignac number, because 63610873 - 2⁹ = 63610361 is a prime.

It is not a weakly prime, because it can be changed into another prime (63610823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31805436 + 31805437.

It is an arithmetic number, because the mean of its divisors is an integer number (31805437).

Almost surely, 2^63610873 is an apocalyptic number.

It is an amenable number.

63610873 is a deficient number, since it is larger than the sum of its proper divisors (1).

63610873 is an equidigital number, since it uses as much as digits as its factorization.

63610873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 63610873 is about 7975.6424819572. The cubic root of 63610873 is about 399.1876701674.

The spelling of 63610873 in words is "sixty-three million, six hundred ten thousand, eight hundred seventy-three".