3152749 has 2 divisors, whose sum is σ = 3152750. Its totient is φ = 3152748.

The previous prime is 3152719. The next prime is 3152753. The reversal of 3152749 is 9472513.

3152749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 1397124 = 1325^2 + 1182^2 .

It is a cyclic number.

It is not a de Polignac number, because 3152749 - 2⁷ = 3152621 is a prime.

It is a super-3 number, since 3×3152749³ = 94013331875800937247, which contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3152749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3152719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1576374 + 1576375.

It is an arithmetic number, because the mean of its divisors is an integer number (1576375).

Almost surely, 2^3152749 is an apocalyptic number.

It is an amenable number.

3152749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3152749 is an equidigital number, since it uses as much as digits as its factorization.

3152749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 3152749 is about 1775.5982090552. The cubic root of 3152749 is about 146.6323513613.

The spelling of 3152749 in words is "three million, one hundred fifty-two thousand, seven hundred forty-nine".