542030661 has 12 divisors (see below), whose sum is σ = 783501888. Its totient is φ = 361091304.

The previous prime is 542030659. The next prime is 542030681. The reversal of 542030661 is 166030245.

It is not a de Polignac number, because 542030661 - 2¹ = 542030659 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542030681) 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, 8355 + ... + 33968.

It is an arithmetic number, because the mean of its divisors is an integer number (65291824).

Almost surely, 2^542030661 is an apocalyptic number.

It is an amenable number.

542030661 is a deficient number, since it is larger than the sum of its proper divisors (241471227).

542030661 is a wasteful number, since it uses less digits than its factorization.

542030661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43752 (or 43749 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 542030661 is about 23281.5519456930. The cubic root of 542030661 is about 815.3447603583.

The spelling of 542030661 in words is "five hundred forty-two million, thirty thousand, six hundred sixty-one".