3245139 has 24 divisors (see below), whose sum is σ = 4990752. Its totient is φ = 2027520.

The previous prime is 3245131. The next prime is 3245153. The reversal of 3245139 is 9315423.

It is not a de Polignac number, because 3245139 - 2³ = 3245131 is a prime.

3245139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3245131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12499 + ... + 12755.

It is an arithmetic number, because the mean of its divisors is an integer number (207948).

Almost surely, 2^3245139 is an apocalyptic number.

3245139 is a deficient number, since it is larger than the sum of its proper divisors (1745613).

3245139 is a wasteful number, since it uses less digits than its factorization.

3245139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 344 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 3245139 is about 1801.4269344051. The cubic root of 3245139 is about 148.0509168612.

The spelling of 3245139 in words is "three million, two hundred forty-five thousand, one hundred thirty-nine".