548361631 has 4 divisors (see below), whose sum is σ = 548778064. Its totient is φ = 547945200.

The previous prime is 548361629. The next prime is 548361637. The reversal of 548361631 is 136163845.

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

It is a cyclic number.

It is not a de Polignac number, because 548361631 - 2¹ = 548361629 is a prime.

It is a super-2 number, since 2×548361631² = 601400956705960322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548361637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206235 + ... + 208876.

It is an arithmetic number, because the mean of its divisors is an integer number (137194516).

Almost surely, 2^548361631 is an apocalyptic number.

548361631 is a deficient number, since it is larger than the sum of its proper divisors (416433).

548361631 is a wasteful number, since it uses less digits than its factorization.

548361631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416432.

The product of its digits is 51840, while the sum is 37.

The square root of 548361631 is about 23417.1226029160. The cubic root of 548361631 is about 818.5069156496.

The spelling of 548361631 in words is "five hundred forty-eight million, three hundred sixty-one thousand, six hundred thirty-one".