2133532501 has 4 divisors (see below), whose sum is σ = 2134011852. Its totient is φ = 2133053152.

The previous prime is 2133532493. The next prime is 2133532519. The reversal of 2133532501 is 1052353312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1894860900 + 238671601 = 43530^2 + 15449^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133532501 - 2³ = 2133532493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133532201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232936 + ... + 241921.

It is an arithmetic number, because the mean of its divisors is an integer number (533502963).

Almost surely, 2^2133532501 is an apocalyptic number.

It is an amenable number.

2133532501 is a deficient number, since it is larger than the sum of its proper divisors (479351).

2133532501 is an equidigital number, since it uses as much as digits as its factorization.

2133532501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479350.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2133532501 is about 46190.1775380870. The cubic root of 2133532501 is about 1287.3592395333.

Adding to 2133532501 its reverse (1052353312), we get a palindrome (3185885813).

The spelling of 2133532501 in words is "two billion, one hundred thirty-three million, five hundred thirty-two thousand, five hundred one".