542217611 has 32 divisors (see below), whose sum is σ = 647136000. Its totient is φ = 449705088.

The previous prime is 542217607. The next prime is 542217623. The reversal of 542217611 is 116712245.

It is not a de Polignac number, because 542217611 - 2² = 542217607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a house number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542217631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421976 + ... + 423258.

It is an arithmetic number, because the mean of its divisors is an integer number (20223000).

Almost surely, 2^542217611 is an apocalyptic number.

542217611 is a deficient number, since it is larger than the sum of its proper divisors (104918389).

542217611 is a wasteful number, since it uses less digits than its factorization.

542217611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its digits is 3360, while the sum is 29.

The square root of 542217611 is about 23285.5665810390. The cubic root of 542217611 is about 815.4384888702.

Adding to 542217611 its reverse (116712245), we get a palindrome (658929856).

The spelling of 542217611 in words is "five hundred forty-two million, two hundred seventeen thousand, six hundred eleven".