63087371 has 2 divisors, whose sum is σ = 63087372. Its totient is φ = 63087370.

The previous prime is 63087361. The next prime is 63087379. The reversal of 63087371 is 17378036.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63087371 is a prime.

It is not a weakly prime, because it can be changed into another prime (63087379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31543685 + 31543686.

It is an arithmetic number, because the mean of its divisors is an integer number (31543686).

Almost surely, 2^63087371 is an apocalyptic number.

63087371 is a deficient number, since it is larger than the sum of its proper divisors (1).

63087371 is an equidigital number, since it uses as much as digits as its factorization.

63087371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 63087371 is about 7942.7558819342. The cubic root of 63087371 is about 398.0895798464.

The spelling of 63087371 in words is "sixty-three million, eighty-seven thousand, three hundred seventy-one".