542006663 has 16 divisors (see below), whose sum is σ = 598081536. Its totient is φ = 487095840.

The previous prime is 542006657. The next prime is 542006669. The reversal of 542006663 is 366600245.

It is an interprime number because it is at equal distance from previous prime (542006657) and next prime (542006669).

It is not a de Polignac number, because 542006663 - 2¹⁸ = 541744519 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 (542006669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534545 + ... + 535557.

It is an arithmetic number, because the mean of its divisors is an integer number (37380096).

Almost surely, 2^542006663 is an apocalyptic number.

542006663 is a deficient number, since it is larger than the sum of its proper divisors (56074873).

542006663 is a wasteful number, since it uses less digits than its factorization.

542006663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 542006663 is about 23281.0365533840. The cubic root of 542006663 is about 815.3327272553.

The spelling of 542006663 in words is "five hundred forty-two million, six thousand, six hundred sixty-three".