13251051001 has 4 divisors (see below), whose sum is σ = 13253679504. Its totient is φ = 13248422500.

The previous prime is 13251050983. The next prime is 13251051059. The reversal of 13251051001 is 10015015231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13251051001 - 2³³ = 4661116409 is a prime.

It is a super-2 number, since 2×13251051001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13251051001.

It is not an unprimeable number, because it can be changed into a prime (13251051101) 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, 1306675 + ... + 1316776.

It is an arithmetic number, because the mean of its divisors is an integer number (3313419876).

Almost surely, 2^13251051001 is an apocalyptic number.

It is an amenable number.

13251051001 is a deficient number, since it is larger than the sum of its proper divisors (2628503).

13251051001 is an equidigital number, since it uses as much as digits as its factorization.

13251051001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628502.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 13251051001 its reverse (10015015231), we get a palindrome (23266066232).

The spelling of 13251051001 in words is "thirteen billion, two hundred fifty-one million, fifty-one thousand, one".