2040321253 has 4 divisors (see below), whose sum is σ = 2090085228. Its totient is φ = 1990557280.

The previous prime is 2040321247. The next prime is 2040321263. The reversal of 2040321253 is 3521230402.

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 816930724 + 1223390529 = 28582^2 + 34977^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040321253 - 2¹³ = 2040313061 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 (2040321223) 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, 24881926 + ... + 24882007.

It is an arithmetic number, because the mean of its divisors is an integer number (522521307).

Almost surely, 2^2040321253 is an apocalyptic number.

It is an amenable number.

2040321253 is a deficient number, since it is larger than the sum of its proper divisors (49763975).

2040321253 is an equidigital number, since it uses as much as digits as its factorization.

2040321253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49763974.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2040321253 is about 45169.9153530312. The cubic root of 2040321253 is about 1268.3317117626.

Adding to 2040321253 its reverse (3521230402), we get a palindrome (5561551655).

The spelling of 2040321253 in words is "two billion, forty million, three hundred twenty-one thousand, two hundred fifty-three".