542887031 has 2 divisors, whose sum is σ = 542887032. Its totient is φ = 542887030.

The previous prime is 542887021. The next prime is 542887049. The reversal of 542887031 is 130788245.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542887031 is a prime.

It is a super-2 number, since 2×542887031² = 589452656855989922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542887001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271443515 + 271443516.

It is an arithmetic number, because the mean of its divisors is an integer number (271443516).

Almost surely, 2^542887031 is an apocalyptic number.

542887031 is a deficient number, since it is larger than the sum of its proper divisors (1).

542887031 is an equidigital number, since it uses as much as digits as its factorization.

542887031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 542887031 is about 23299.9362874665. The cubic root of 542887031 is about 815.7739300490.

The spelling of 542887031 in words is "five hundred forty-two million, eight hundred eighty-seven thousand, thirty-one".