542357471531 has 2 divisors, whose sum is σ = 542357471532. Its totient is φ = 542357471530.

The previous prime is 542357471519. The next prime is 542357471581. The reversal of 542357471531 is 135174753245.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542357471531 is a prime.

It is a super-2 number, since 2×542357471531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542357471581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271178735765 + 271178735766.

It is an arithmetic number, because the mean of its divisors is an integer number (271178735766).

Almost surely, 2^542357471531 is an apocalyptic number.

542357471531 is a deficient number, since it is larger than the sum of its proper divisors (1).

542357471531 is an equidigital number, since it uses as much as digits as its factorization.

542357471531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764000, while the sum is 47.

The spelling of 542357471531 in words is "five hundred forty-two billion, three hundred fifty-seven million, four hundred seventy-one thousand, five hundred thirty-one".