3256996523 has 4 divisors (see below), whose sum is σ = 3553087128. Its totient is φ = 2960905920.

The previous prime is 3256996423. The next prime is 3256996537.

It is a happy number.

3256996523 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3256996523 - 2¹⁶ = 3256930987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3256996423) 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, 148045286 + ... + 148045307.

It is an arithmetic number, because the mean of its divisors is an integer number (888271782).

Almost surely, 2^3256996523 is an apocalyptic number.

3256996523 is a deficient number, since it is larger than the sum of its proper divisors (296090605).

3256996523 is a wasteful number, since it uses less digits than its factorization.

3256996523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296090604.

The product of its digits is 2624400, while the sum is 50.

The square root of 3256996523 is about 57070.1018309938. The cubic root of 3256996523 is about 1482.3102042544.

The spelling of 3256996523 in words is "three billion, two hundred fifty-six million, nine hundred ninety-six thousand, five hundred twenty-three".