3250578256409 has 8 divisors (see below), whose sum is σ = 3546169554720. Its totient is φ = 2955000988800.

The previous prime is 3250578256369. The next prime is 3250578256417. The reversal of 3250578256409 is 9046528750523.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3250578256409 - 2⁸ = 3250578256153 is a prime.

It is a super-3 number, since 3×3250578256409³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3250578256309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3020312 + ... + 3952649.

It is an arithmetic number, because the mean of its divisors is an integer number (443271194340).

Almost surely, 2^{3250578256409} is an apocalyptic number.

It is an amenable number.

3250578256409 is a deficient number, since it is larger than the sum of its proper divisors (295591298311).

3250578256409 is a wasteful number, since it uses less digits than its factorization.

3250578256409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015351.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 3250578256409 in words is "three trillion, two hundred fifty billion, five hundred seventy-eight million, two hundred fifty-six thousand, four hundred nine".