542090237 has 8 divisors (see below), whose sum is σ = 618130296. Its totient is φ = 470956032.

The previous prime is 542090221. The next prime is 542090281. The reversal of 542090237 is 732090245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 126990361 + 415099876 = 11269^2 + 20374^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542090237 - 2⁴ = 542090221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542090287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226228 + ... + 1226669.

It is an arithmetic number, because the mean of its divisors is an integer number (77266287).

Almost surely, 2^542090237 is an apocalyptic number.

It is an amenable number.

542090237 is a deficient number, since it is larger than the sum of its proper divisors (76040059).

542090237 is a wasteful number, since it uses less digits than its factorization.

542090237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452927.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 542090237 is about 23282.8313785072. The cubic root of 542090237 is about 815.3746314852.

The spelling of 542090237 in words is "five hundred forty-two million, ninety thousand, two hundred thirty-seven".