2532020621 has 4 divisors (see below), whose sum is σ = 2726791452. Its totient is φ = 2337249792.

The previous prime is 2532020599. The next prime is 2532020629. The reversal of 2532020621 is 1260202352.

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 1578075625 + 953944996 = 39725^2 + 30886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2532020621 - 2¹⁰ = 2532019597 is a prime.

It is a super-2 number, since 2×2532020621² = 12822256850338451282, 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 (2532020629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97385396 + ... + 97385421.

It is an arithmetic number, because the mean of its divisors is an integer number (681697863).

Almost surely, 2^2532020621 is an apocalyptic number.

It is an amenable number.

2532020621 is a deficient number, since it is larger than the sum of its proper divisors (194770831).

2532020621 is a wasteful number, since it uses less digits than its factorization.

2532020621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194770830.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2532020621 is about 50319.1874040112. The cubic root of 2532020621 is about 1362.9787329409.

Adding to 2532020621 its reverse (1260202352), we get a palindrome (3792222973).

The spelling of 2532020621 in words is "two billion, five hundred thirty-two million, twenty thousand, six hundred twenty-one".