13253551 has 8 divisors (see below), whose sum is σ = 13970880. Its totient is φ = 12553632.

The previous prime is 13253549. The next prime is 13253561. The reversal of 13253551 is 15535231.

13253551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13253551 - 2¹ = 13253549 is a prime.

It is a super-2 number, since 2×13253551² = 351313228219202, 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 (13253521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2775 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 2^13253551 is an apocalyptic number.

13253551 is a deficient number, since it is larger than the sum of its proper divisors (717329).

13253551 is an equidigital number, since it uses as much as digits as its factorization.

13253551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8705.

The product of its digits is 2250, while the sum is 25.

The square root of 13253551 is about 3640.5426793268. The cubic root of 13253551 is about 236.6523117216.

Subtracting from 13253551 its sum of digits (25), we obtain a triangular number (13253526 = T₅₁₄₈).

Adding to 13253551 its reverse (15535231), we get a palindrome (28788782).

The spelling of 13253551 in words is "thirteen million, two hundred fifty-three thousand, five hundred fifty-one".