3240505551253 has 8 divisors (see below), whose sum is σ = 3259285263000. Its totient is φ = 3221726396928.

The previous prime is 3240505551209. The next prime is 3240505551259. The reversal of 3240505551253 is 3521555050423.

It can be written as a sum of positive squares in 4 ways, for example, as 1261706288049 + 1978799263204 = 1123257^2 + 1406698^2 .

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

It is not a de Polignac number, because 3240505551253 - 2²¹ = 3240503454101 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 (3240505551259) 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, 19551073 + ... + 19716121.

It is an arithmetic number, because the mean of its divisors is an integer number (407410657875).

Almost surely, 2^{3240505551253} is an apocalyptic number.

It is an amenable number.

3240505551253 is a deficient number, since it is larger than the sum of its proper divisors (18779711747).

3240505551253 is a wasteful number, since it uses less digits than its factorization.

3240505551253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278711.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 3240505551253 in words is "three trillion, two hundred forty billion, five hundred five million, five hundred fifty-one thousand, two hundred fifty-three".