63249371 has 2 divisors, whose sum is σ = 63249372. Its totient is φ = 63249370.

The previous prime is 63249359. The next prime is 63249397. The reversal of 63249371 is 17394236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63249371 - 2²² = 59055067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63249341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31624685 + 31624686.

It is an arithmetic number, because the mean of its divisors is an integer number (31624686).

Almost surely, 2^63249371 is an apocalyptic number.

63249371 is a deficient number, since it is larger than the sum of its proper divisors (1).

63249371 is an equidigital number, since it uses as much as digits as its factorization.

63249371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 63249371 is about 7952.9473153039. The cubic root of 63249371 is about 398.4300356751.

The spelling of 63249371 in words is "sixty-three million, two hundred forty-nine thousand, three hundred seventy-one".