3257725763 has 4 divisors (see below), whose sum is σ = 3274262640. Its totient is φ = 3241188888.

The previous prime is 3257725753. The next prime is 3257725777. The reversal of 3257725763 is 3675277523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3675277523 = 97 ⋅37889459.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3257725763 is a prime.

It is a super-2 number, since 2×3257725763² = 21225554293827864338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3257725753) 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, 8268143 + ... + 8268536.

It is an arithmetic number, because the mean of its divisors is an integer number (818565660).

Almost surely, 2^3257725763 is an apocalyptic number.

3257725763 is a deficient number, since it is larger than the sum of its proper divisors (16536877).

3257725763 is a wasteful number, since it uses less digits than its factorization.

3257725763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16536876.

The product of its digits is 1852200, while the sum is 47.

The square root of 3257725763 is about 57076.4904579810. The cubic root of 3257725763 is about 1482.4208255195.

The spelling of 3257725763 in words is "three billion, two hundred fifty-seven million, seven hundred twenty-five thousand, seven hundred sixty-three".