4142262581 has 8 divisors (see below), whose sum is σ = 4191221760. Its totient is φ = 4093502832.

The previous prime is 4142262571. The next prime is 4142262587. The reversal of 4142262581 is 1852622414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4142262581 - 2²⁶ = 4075153717 is a prime.

It is a super-2 number, since 2×4142262581² = 34316678579905563122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142262587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7865 + ... + 91358.

It is an arithmetic number, because the mean of its divisors is an integer number (523902720).

Almost surely, 2^4142262581 is an apocalyptic number.

It is an amenable number.

4142262581 is a deficient number, since it is larger than the sum of its proper divisors (48959179).

4142262581 is a wasteful number, since it uses less digits than its factorization.

4142262581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99715.

The product of its digits is 30720, while the sum is 35.

The square root of 4142262581 is about 64360.4115975030. The cubic root of 4142262581 is about 1606.0012361532.

Adding to 4142262581 its reverse (1852622414), we get a palindrome (5994884995).

The spelling of 4142262581 in words is "four billion, one hundred forty-two million, two hundred sixty-two thousand, five hundred eighty-one".