3445256513 has 16 divisors (see below), whose sum is σ = 3552997824. Its totient is φ = 3339610560.

The previous prime is 3445256459. The next prime is 3445256531. The reversal of 3445256513 is 3156525443.

It is a cyclic number.

It is not a de Polignac number, because 3445256513 - 2⁸ = 3445256257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3445456513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124003 + ... + 1127063.

It is an arithmetic number, because the mean of its divisors is an integer number (222062364).

Almost surely, 2^3445256513 is an apocalyptic number.

It is an amenable number.

3445256513 is a deficient number, since it is larger than the sum of its proper divisors (107741311).

3445256513 is a wasteful number, since it uses less digits than its factorization.

3445256513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392.

The product of its digits is 216000, while the sum is 38.

The square root of 3445256513 is about 58696.3074903354. The cubic root of 3445256513 is about 1510.3369733163.

The spelling of 3445256513 in words is "three billion, four hundred forty-five million, two hundred fifty-six thousand, five hundred thirteen".