542365501 has 4 divisors (see below), whose sum is σ = 574269372. Its totient is φ = 510461632.

The previous prime is 542365489. The next prime is 542365529. The reversal of 542365501 is 105563245.

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 198077476 + 344288025 = 14074^2 + 18555^2 .

It is a cyclic number.

It is not a de Polignac number, because 542365501 - 2¹¹ = 542363453 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 (542365531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15951910 + ... + 15951943.

It is an arithmetic number, because the mean of its divisors is an integer number (143567343).

Almost surely, 2^542365501 is an apocalyptic number.

It is an amenable number.

542365501 is a deficient number, since it is larger than the sum of its proper divisors (31903871).

542365501 is a wasteful number, since it uses less digits than its factorization.

542365501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31903870.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 542365501 is about 23288.7419368243. The cubic root of 542365501 is about 815.5126191537.

The spelling of 542365501 in words is "five hundred forty-two million, three hundred sixty-five thousand, five hundred one".