542232065 has 4 divisors (see below), whose sum is σ = 650678484. Its totient is φ = 433785648.

The previous prime is 542232043. The next prime is 542232109. The reversal of 542232065 is 560232245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 387577969 + 154654096 = 19687^2 + 12436^2 .

It is a cyclic number.

It is not a de Polignac number, because 542232065 - 2¹² = 542227969 is a prime.

It is a super-2 number, since 2×542232065² = 588031224628328450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54223202 + ... + 54223211.

It is an arithmetic number, because the mean of its divisors is an integer number (162669621).

Almost surely, 2^542232065 is an apocalyptic number.

It is an amenable number.

542232065 is a deficient number, since it is larger than the sum of its proper divisors (108446419).

542232065 is a wasteful number, since it uses less digits than its factorization.

542232065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108446418.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 542232065 is about 23285.8769429025. The cubic root of 542232065 is about 815.4457345731.

The spelling of 542232065 in words is "five hundred forty-two million, two hundred thirty-two thousand, sixty-five".