2142541001 has 6 divisors (see below), whose sum is σ = 2168672730. Its totient is φ = 2116720448.

The previous prime is 2142540989. The next prime is 2142541033. The reversal of 2142541001 is 1001452412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1722250000 + 420291001 = 41500^2 + 20501^2 .

It is not a de Polignac number, because 2142541001 - 2¹⁴ = 2142524617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142541081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148616 + ... + 162393.

It is an arithmetic number, because the mean of its divisors is an integer number (361445455).

Almost surely, 2^2142541001 is an apocalyptic number.

It is an amenable number.

2142541001 is a deficient number, since it is larger than the sum of its proper divisors (26131729).

2142541001 is an frugal number, since it uses more digits than its factorization.

2142541001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311175 (or 311092 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2142541001 is about 46287.5901403389. The cubic root of 2142541001 is about 1289.1685849074.

Adding to 2142541001 its reverse (1001452412), we get a palindrome (3143993413).

It can be divided in two parts, 21425 and 41001, that added together give a palindrome (62426).

The spelling of 2142541001 in words is "two billion, one hundred forty-two million, five hundred forty-one thousand, one".