542526841 has 2 divisors, whose sum is σ = 542526842. Its totient is φ = 542526840.

The previous prime is 542526839. The next prime is 542526851. The reversal of 542526841 is 148625245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533794816 + 8732025 = 23104^2 + 2955^2 .

It is a cyclic number.

It is not a de Polignac number, because 542526841 - 2¹ = 542526839 is a prime.

Together with 542526839, it forms a pair of twin primes.

It is equal to p_28473940 and since 542526841 and 28473940 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542526841.

It is not a weakly prime, because it can be changed into another prime (542526811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271263420 + 271263421.

It is an arithmetic number, because the mean of its divisors is an integer number (271263421).

Almost surely, 2^542526841 is an apocalyptic number.

It is an amenable number.

542526841 is a deficient number, since it is larger than the sum of its proper divisors (1).

542526841 is an equidigital number, since it uses as much as digits as its factorization.

542526841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 37.

The square root of 542526841 is about 23292.2055847015. The cubic root of 542526841 is about 815.5934759198.

The spelling of 542526841 in words is "five hundred forty-two million, five hundred twenty-six thousand, eight hundred forty-one".