2103452253 has 24 divisors (see below), whose sum is σ = 3624999360. Its totient is φ = 1201971960.

The previous prime is 2103452237. The next prime is 2103452261. The reversal of 2103452253 is 3522543012.

It is a happy number.

It is not a de Polignac number, because 2103452253 - 2⁴ = 2103452237 is a prime.

It is a super-2 number, since 2×2103452253² = 8849022761301552018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103452753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 793633 + ... + 796278.

It is an arithmetic number, because the mean of its divisors is an integer number (151041640).

Almost surely, 2^2103452253 is an apocalyptic number.

It is an amenable number.

2103452253 is a deficient number, since it is larger than the sum of its proper divisors (1521547107).

2103452253 is a wasteful number, since it uses less digits than its factorization.

2103452253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589934 (or 1589921 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2103452253 is about 45863.4086500339. The cubic root of 2103452253 is about 1281.2805083102.

Adding to 2103452253 its reverse (3522543012), we get a palindrome (5625995265).

The spelling of 2103452253 in words is "two billion, one hundred three million, four hundred fifty-two thousand, two hundred fifty-three".