63151339 has 4 divisors (see below), whose sum is σ = 63241120. Its totient is φ = 63061560.

The previous prime is 63151313. The next prime is 63151343. The reversal of 63151339 is 93315136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63151339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63151339.

It is not an unprimeable number, because it can be changed into a prime (63151369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43827 + ... + 45244.

It is an arithmetic number, because the mean of its divisors is an integer number (15810280).

Almost surely, 2^63151339 is an apocalyptic number.

63151339 is a deficient number, since it is larger than the sum of its proper divisors (89781).

63151339 is an equidigital number, since it uses as much as digits as its factorization.

63151339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89780.

The product of its digits is 7290, while the sum is 31.

The square root of 63151339 is about 7946.7816756219. The cubic root of 63151339 is about 398.2240832178.

The spelling of 63151339 in words is "sixty-three million, one hundred fifty-one thousand, three hundred thirty-nine".