631623054 has 8 divisors (see below), whose sum is σ = 1263246120. Its totient is φ = 210541016.

The previous prime is 631623053. The next prime is 631623059. The reversal of 631623054 is 450326136.

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

631623054 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631623053) 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, 52635249 + ... + 52635260.

It is an arithmetic number, because the mean of its divisors is an integer number (157905765).

Almost surely, 2^631623054 is an apocalyptic number.

631623054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

631623054 is a wasteful number, since it uses less digits than its factorization.

631623054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105270514.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 631623054 is about 25132.1120083450. The cubic root of 631623054 is about 857.9974380632.

The spelling of 631623054 in words is "six hundred thirty-one million, six hundred twenty-three thousand, fifty-four".