540628031 has 2 divisors, whose sum is σ = 540628032. Its totient is φ = 540628030.

The previous prime is 540628021. The next prime is 540628079. The reversal of 540628031 is 130826045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540628031 - 2²² = 536433727 is a prime.

It is a super-2 number, since 2×540628031² = 584557335805873922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 540627985 and 540628003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540628001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270314015 + 270314016.

It is an arithmetic number, because the mean of its divisors is an integer number (270314016).

Almost surely, 2^540628031 is an apocalyptic number.

540628031 is a deficient number, since it is larger than the sum of its proper divisors (1).

540628031 is an equidigital number, since it uses as much as digits as its factorization.

540628031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 540628031 is about 23251.4092261093. The cubic root of 540628031 is about 814.6408549701.

The spelling of 540628031 in words is "five hundred forty million, six hundred twenty-eight thousand, thirty-one".