63142349 has 2 divisors, whose sum is σ = 63142350. Its totient is φ = 63142348.

The previous prime is 63142327. The next prime is 63142357. The reversal of 63142349 is 94324136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59182249 + 3960100 = 7693^2 + 1990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63142349 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63142049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31571174 + 31571175.

It is an arithmetic number, because the mean of its divisors is an integer number (31571175).

Almost surely, 2^63142349 is an apocalyptic number.

It is an amenable number.

63142349 is a deficient number, since it is larger than the sum of its proper divisors (1).

63142349 is an equidigital number, since it uses as much as digits as its factorization.

63142349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 63142349 is about 7946.2160177030. The cubic root of 63142349 is about 398.2051857330.

The spelling of 63142349 in words is "sixty-three million, one hundred forty-two thousand, three hundred forty-nine".