3251040545 has 4 divisors (see below), whose sum is σ = 3901248660. Its totient is φ = 2600832432.

The previous prime is 3251040523. The next prime is 3251040553. The reversal of 3251040545 is 5450401523.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1246866721 + 2004173824 = 35311^2 + 44768^2 .

It is a cyclic number.

It is not a de Polignac number, because 3251040545 - 2¹² = 3251036449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325104050 + ... + 325104059.

It is an arithmetic number, because the mean of its divisors is an integer number (975312165).

Almost surely, 2^3251040545 is an apocalyptic number.

It is an amenable number.

3251040545 is a deficient number, since it is larger than the sum of its proper divisors (650208115).

3251040545 is an equidigital number, since it uses as much as digits as its factorization.

3251040545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650208114.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 3251040545 is about 57017.8967079635. The cubic root of 3251040545 is about 1481.4060999240.

The spelling of 3251040545 in words is "three billion, two hundred fifty-one million, forty thousand, five hundred forty-five".