542014661 has 4 divisors (see below), whose sum is σ = 542068800. Its totient is φ = 541960524.

The previous prime is 542014637. The next prime is 542014673. The reversal of 542014661 is 166410245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 542014661 - 2⁶ = 542014597 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 (542014601) 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, 7181 + ... + 33698.

It is an arithmetic number, because the mean of its divisors is an integer number (135517200).

Almost surely, 2^542014661 is an apocalyptic number.

It is an amenable number.

542014661 is a deficient number, since it is larger than the sum of its proper divisors (54139).

542014661 is a wasteful number, since it uses less digits than its factorization.

542014661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54138.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 542014661 is about 23281.2083234526. The cubic root of 542014661 is about 815.3367376606.

The spelling of 542014661 in words is "five hundred forty-two million, fourteen thousand, six hundred sixty-one".