63251767 has 2 divisors, whose sum is σ = 63251768. Its totient is φ = 63251766.

The previous prime is 63251761. The next prime is 63251777. The reversal of 63251767 is 76715236.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63251767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63251761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31625883 + 31625884.

It is an arithmetic number, because the mean of its divisors is an integer number (31625884).

Almost surely, 2^63251767 is an apocalyptic number.

63251767 is a deficient number, since it is larger than the sum of its proper divisors (1).

63251767 is an equidigital number, since it uses as much as digits as its factorization.

63251767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 37.

The square root of 63251767 is about 7953.0979498558. The cubic root of 63251767 is about 398.4350666938.

The spelling of 63251767 in words is "sixty-three million, two hundred fifty-one thousand, seven hundred sixty-seven".