3298397251 has 4 divisors (see below), whose sum is σ = 3298540104. Its totient is φ = 3298254400.

The previous prime is 3298397231. The next prime is 3298397281. The reversal of 3298397251 is 1527938923.

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 3298397251 - 2¹¹ = 3298395203 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3298397195 and 3298397204.

It is not an unprimeable number, because it can be changed into a prime (3298397231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27985 + ... + 85906.

It is an arithmetic number, because the mean of its divisors is an integer number (824635026).

Almost surely, 2^3298397251 is an apocalyptic number.

3298397251 is a deficient number, since it is larger than the sum of its proper divisors (142853).

3298397251 is a wasteful number, since it uses less digits than its factorization.

3298397251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142852.

The product of its digits is 816480, while the sum is 49.

The square root of 3298397251 is about 57431.6746316873. The cubic root of 3298397251 is about 1488.5644854767.

The spelling of 3298397251 in words is "three billion, two hundred ninety-eight million, three hundred ninety-seven thousand, two hundred fifty-one".