63251334 has 64 divisors (see below), whose sum is σ = 148193280. Its totient is φ = 19958400.

The previous prime is 63251329. The next prime is 63251347. The reversal of 63251334 is 43315236.

It is a happy number.

63251334 is a `hidden beast` number, since 6 + 325 + 1 + 334 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 63251298 and 63251307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157534 + ... + 157934.

It is an arithmetic number, because the mean of its divisors is an integer number (2315520).

Almost surely, 2^63251334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63251334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74096640).

63251334 is an abundant number, since it is smaller than the sum of its proper divisors (84941946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63251334 is a wasteful number, since it uses less digits than its factorization.

63251334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 556 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 63251334 is about 7953.0707277127. The cubic root of 63251334 is about 398.4341575083.

The spelling of 63251334 in words is "sixty-three million, two hundred fifty-one thousand, three hundred thirty-four".