63331442 has 8 divisors (see below), whose sum is σ = 96298716. Its totient is φ = 31231872.

The previous prime is 63331417. The next prime is 63331483. The reversal of 63331442 is 24413336.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60202081 + 3129361 = 7759^2 + 1769^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216743 + ... + 217034.

Almost surely, 2^63331442 is an apocalyptic number.

63331442 is a deficient number, since it is larger than the sum of its proper divisors (32967274).

63331442 is a wasteful number, since it uses less digits than its factorization.

63331442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433852.

The product of its digits is 5184, while the sum is 26.

The square root of 63331442 is about 7958.1054278013. The cubic root of 63331442 is about 398.6022925567.

Adding to 63331442 its reverse (24413336), we get a palindrome (87744778).

The spelling of 63331442 in words is "sixty-three million, three hundred thirty-one thousand, four hundred forty-two".