544631 has 2 divisors, whose sum is σ = 544632. Its totient is φ = 544630.

The previous prime is 544627. The next prime is 544651. The reversal of 544631 is 136445.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544631 - 2² = 544627 is a prime.

It is a super-2 number, since 2×544631² = 593245852322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 544597 and 544606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272315 + 272316.

It is an arithmetic number, because the mean of its divisors is an integer number (272316).

2⁵⁴⁴⁶³¹ is an apocalyptic number.

544631 is a deficient number, since it is larger than the sum of its proper divisors (1).

544631 is an equidigital number, since it uses as much as digits as its factorization.

544631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 544631 is about 737.9911923594. The cubic root of 544631 is about 81.6646526413.

The spelling of 544631 in words is "five hundred forty-four thousand, six hundred thirty-one".