2101532534 has 16 divisors (see below), whose sum is σ = 3185360640. Its totient is φ = 1039799400.

The previous prime is 2101532513. The next prime is 2101532539. The reversal of 2101532534 is 4352351012.

It is a happy number.

It is a super-2 number, since 2×2101532534² = 8832877982920922312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101532539) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 66197 + ... + 92655.

It is an arithmetic number, because the mean of its divisors is an integer number (199085040).

Almost surely, 2^2101532534 is an apocalyptic number.

2101532534 is a deficient number, since it is larger than the sum of its proper divisors (1083828106).

2101532534 is a wasteful number, since it uses less digits than its factorization.

2101532534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26875.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2101532534 is about 45842.4752167681. The cubic root of 2101532534 is about 1280.8906021144.

Adding to 2101532534 its reverse (4352351012), we get a palindrome (6453883546).

The spelling of 2101532534 in words is "two billion, one hundred one million, five hundred thirty-two thousand, five hundred thirty-four".