3257758641 has 4 divisors (see below), whose sum is σ = 4343678192. Its totient is φ = 2171839092.

The previous prime is 3257758633. The next prime is 3257758643. The reversal of 3257758641 is 1468577523.

3257758641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3257758641 - 2³ = 3257758633 is a prime.

It is a super-2 number, since 2×3257758641² = 21225982726020333762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3257758643) 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, 542959771 + ... + 542959776.

It is an arithmetic number, because the mean of its divisors is an integer number (1085919548).

Almost surely, 2^3257758641 is an apocalyptic number.

It is an amenable number.

3257758641 is a deficient number, since it is larger than the sum of its proper divisors (1085919551).

3257758641 is a wasteful number, since it uses less digits than its factorization.

3257758641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085919550.

The product of its digits is 1411200, while the sum is 48.

The square root of 3257758641 is about 57076.7784742622. The cubic root of 3257758641 is about 1482.4258125229.

The spelling of 3257758641 in words is "three billion, two hundred fifty-seven million, seven hundred fifty-eight thousand, six hundred forty-one".