13252837961 has 4 divisors (see below), whose sum is σ = 14457641424. Its totient is φ = 12048034500.

The previous prime is 13252837907. The next prime is 13252837963. The reversal of 13252837961 is 16973825231.

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 13252837961 - 2¹⁰ = 13252836937 is a prime.

It is a super-3 number, since 3×13252837961³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13252837963) 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, 602401715 + ... + 602401736.

It is an arithmetic number, because the mean of its divisors is an integer number (3614410356).

Almost surely, 2^13252837961 is an apocalyptic number.

13252837961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13252837961 is a deficient number, since it is larger than the sum of its proper divisors (1204803463).

13252837961 is a wasteful number, since it uses less digits than its factorization.

13252837961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204803462.

The product of its digits is 544320, while the sum is 47.

The spelling of 13252837961 in words is "thirteen billion, two hundred fifty-two million, eight hundred thirty-seven thousand, nine hundred sixty-one".