3145249 has 2 divisors, whose sum is σ = 3145250. Its totient is φ = 3145248.

The previous prime is 3145243. The next prime is 3145283. The reversal of 3145249 is 9425413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3027600 + 117649 = 1740^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145249 - 2⁹ = 3144737 is a prime.

It is not a weakly prime, because it can be changed into another prime (3145243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572624 + 1572625.

It is an arithmetic number, because the mean of its divisors is an integer number (1572625).

Almost surely, 2^3145249 is an apocalyptic number.

It is an amenable number.

3145249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145249 is an equidigital number, since it uses as much as digits as its factorization.

3145249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 3145249 is about 1773.4849872497. The cubic root of 3145249 is about 146.5159856288.

The spelling of 3145249 in words is "three million, one hundred forty-five thousand, two hundred forty-nine".