3130249 has 2 divisors, whose sum is σ = 3130250. Its totient is φ = 3130248.

The previous prime is 3130243. The next prime is 3130279. The reversal of 3130249 is 9420313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 783225 = 1532^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130249 - 2³ = 3130241 is a prime.

It is not a weakly prime, because it can be changed into another prime (3130241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565124 + 1565125.

It is an arithmetic number, because the mean of its divisors is an integer number (1565125).

Almost surely, 2^3130249 is an apocalyptic number.

It is an amenable number.

3130249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130249 is an equidigital number, since it uses as much as digits as its factorization.

3130249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3130249 is about 1769.2509714566. The cubic root of 3130249 is about 146.2826980241.

Subtracting 3130249 from its reverse (9420313), we obtain a square (6290064 = 2508²).

The spelling of 3130249 in words is "three million, one hundred thirty thousand, two hundred forty-nine".