3265661253 has 4 divisors (see below), whose sum is σ = 4354215008. Its totient is φ = 2177107500.

The previous prime is 3265661251. The next prime is 3265661263. The reversal of 3265661253 is 3521665623.

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 not a de Polignac number, because 3265661253 - 2¹ = 3265661251 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 (3265661251) 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, 544276873 + ... + 544276878.

It is an arithmetic number, because the mean of its divisors is an integer number (1088553752).

Almost surely, 2^3265661253 is an apocalyptic number.

It is an amenable number.

3265661253 is a deficient number, since it is larger than the sum of its proper divisors (1088553755).

3265661253 is a wasteful number, since it uses less digits than its factorization.

3265661253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088553754.

The product of its digits is 194400, while the sum is 39.

The square root of 3265661253 is about 57145.9644506942. The cubic root of 3265661253 is about 1483.6235251573.

The spelling of 3265661253 in words is "three billion, two hundred sixty-five million, six hundred sixty-one thousand, two hundred fifty-three".