542517929 has 2 divisors, whose sum is σ = 542517930. Its totient is φ = 542517928.

The previous prime is 542517917. The next prime is 542517959. The reversal of 542517929 is 929715245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381811600 + 160706329 = 19540^2 + 12677^2 .

It is a cyclic number.

It is not a de Polignac number, because 542517929 - 2¹² = 542513833 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542517929.

It is not a weakly prime, because it can be changed into another prime (542517959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271258964 + 271258965.

It is an arithmetic number, because the mean of its divisors is an integer number (271258965).

Almost surely, 2^542517929 is an apocalyptic number.

It is an amenable number.

542517929 is a deficient number, since it is larger than the sum of its proper divisors (1).

542517929 is an equidigital number, since it uses as much as digits as its factorization.

542517929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 542517929 is about 23292.0142752833. The cubic root of 542517929 is about 815.5890100217.

The spelling of 542517929 in words is "five hundred forty-two million, five hundred seventeen thousand, nine hundred twenty-nine".