542592921 has 12 divisors (see below), whose sum is σ = 783389328. Its totient is φ = 333903024.

The previous prime is 542592889. The next prime is 542592971. The reversal of 542592921 is 129295245.

542592921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542592921 - 2⁵ = 542592889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 542592921.

It is not an unprimeable number, because it can be changed into a prime (542592971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534595 + ... + 535608.

It is an arithmetic number, because the mean of its divisors is an integer number (65282444).

Almost surely, 2^542592921 is an apocalyptic number.

It is an amenable number.

542592921 is a deficient number, since it is larger than the sum of its proper divisors (240796407).

542592921 is a wasteful number, since it uses less digits than its factorization.

542592921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070232 (or 1070219 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 542592921 is about 23293.6240417845. The cubic root of 542592921 is about 815.6265877863.

It can be divided in two parts, 5425 and 92921, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 542592921 in words is "five hundred forty-two million, five hundred ninety-two thousand, nine hundred twenty-one".