3250511603261 has 24 divisors (see below), whose sum is σ = 3739566489480. Its totient is φ = 2818710026496.

The previous prime is 3250511603239. The next prime is 3250511603267. The reversal of 3250511603261 is 1623061150523.

It can be written as a sum of positive squares in 12 ways, for example, as 1710105444100 + 1540406159161 = 1307710^2 + 1241131^2 .

It is not a de Polignac number, because 3250511603261 - 2¹⁴ = 3250511586877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250511603267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8781290 + ... + 9143963.

It is an arithmetic number, because the mean of its divisors is an integer number (155815270395).

Almost surely, 2^{3250511603261} is an apocalyptic number.

It is an amenable number.

3250511603261 is a deficient number, since it is larger than the sum of its proper divisors (489054886219).

3250511603261 is a wasteful number, since it uses less digits than its factorization.

3250511603261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17925345 (or 17925332 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 3250511603261 its reverse (1623061150523), we get a palindrome (4873572753784).

The spelling of 3250511603261 in words is "three trillion, two hundred fifty billion, five hundred eleven million, six hundred three thousand, two hundred sixty-one".