3512749 has 2 divisors, whose sum is σ = 3512750. Its totient is φ = 3512748.

The previous prime is 3512737. The next prime is 3512759. The reversal of 3512749 is 9472153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 1010025 = 1582^2 + 1005^2 .

It is an emirp because it is prime and its reverse (9472153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3512749 - 2⁹ = 3512237 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 3512749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3512759) 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 as a sum of consecutive naturals, namely, 1756374 + 1756375.

It is an arithmetic number, because the mean of its divisors is an integer number (1756375).

Almost surely, 2^3512749 is an apocalyptic number.

It is an amenable number.

3512749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3512749 is an equidigital number, since it uses as much as digits as its factorization.

3512749 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 3512749 is about 1874.2329097527. The cubic root of 3512749 is about 152.0135750803.

The spelling of 3512749 in words is "three million, five hundred twelve thousand, seven hundred forty-nine".