542157529 has 2 divisors, whose sum is σ = 542157530. Its totient is φ = 542157528.

The previous prime is 542157467. The next prime is 542157547. The reversal of 542157529 is 925751245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331240000 + 210917529 = 18200^2 + 14523^2 .

It is a cyclic number.

It is not a de Polignac number, because 542157529 - 2⁹ = 542157017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542157491 and 542157500.

It is not a weakly prime, because it can be changed into another prime (542155529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271078764 + 271078765.

It is an arithmetic number, because the mean of its divisors is an integer number (271078765).

Almost surely, 2^542157529 is an apocalyptic number.

It is an amenable number.

542157529 is a deficient number, since it is larger than the sum of its proper divisors (1).

542157529 is an equidigital number, since it uses as much as digits as its factorization.

542157529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 40.

The square root of 542157529 is about 23284.2764328205. The cubic root of 542157529 is about 815.4083687462.

The spelling of 542157529 in words is "five hundred forty-two million, one hundred fifty-seven thousand, five hundred twenty-nine".