63261019 has 2 divisors, whose sum is σ = 63261020. Its totient is φ = 63261018.

The previous prime is 63261007. The next prime is 63261031. The reversal of 63261019 is 91016236.

It is a balanced prime because it is at equal distance from previous prime (63261007) and next prime (63261031).

It is a cyclic number.

It is not a de Polignac number, because 63261019 - 2⁹ = 63260507 is a prime.

It is a super-2 number, since 2×63261019² = 8003913049836722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63261059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31630509 + 31630510.

It is an arithmetic number, because the mean of its divisors is an integer number (31630510).

Almost surely, 2^63261019 is an apocalyptic number.

63261019 is a deficient number, since it is larger than the sum of its proper divisors (1).

63261019 is an equidigital number, since it uses as much as digits as its factorization.

63261019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 63261019 is about 7953.6795887187. The cubic root of 63261019 is about 398.4544924569.

The spelling of 63261019 in words is "sixty-three million, two hundred sixty-one thousand, nineteen".