2142001562 has 4 divisors (see below), whose sum is σ = 3213002346. Its totient is φ = 1071000780.

The previous prime is 2142001559. The next prime is 2142001571. The reversal of 2142001562 is 2651002412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1679278441 + 462723121 = 40979^2 + 21511^2 .

It is a super-2 number, since 2×2142001562² = 9176341383220879688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535500389 + ... + 535500392.

Almost surely, 2^2142001562 is an apocalyptic number.

2142001562 is a deficient number, since it is larger than the sum of its proper divisors (1071000784).

2142001562 is a wasteful number, since it uses less digits than its factorization.

2142001562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071000783.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2142001562 is about 46281.7627365251. The cubic root of 2142001562 is about 1289.0603822041.

Adding to 2142001562 its reverse (2651002412), we get a palindrome (4793003974).

The spelling of 2142001562 in words is "two billion, one hundred forty-two million, one thousand, five hundred sixty-two".