63402311 has 8 divisors (see below), whose sum is σ = 72719904. Its totient is φ = 54149760.

The previous prime is 63402293. The next prime is 63402341. The reversal of 63402311 is 11320436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63402311 - 2⁶ = 63402247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63402341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14150 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (9089988).

Almost surely, 2^63402311 is an apocalyptic number.

63402311 is a deficient number, since it is larger than the sum of its proper divisors (9317593).

63402311 is a wasteful number, since it uses less digits than its factorization.

63402311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32521.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 63402311 is about 7962.5568129841. The cubic root of 63402311 is about 398.7509181296.

Adding to 63402311 its reverse (11320436), we get a palindrome (74722747).

The spelling of 63402311 in words is "sixty-three million, four hundred two thousand, three hundred eleven".