3249971 has 2 divisors, whose sum is σ = 3249972. Its totient is φ = 3249970.

The previous prime is 3249919. The next prime is 3249977. The reversal of 3249971 is 1799423.

It is a strong prime.

It is an emirp because it is prime and its reverse (1799423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3249971 - 2¹⁸ = 2987827 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3249977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624985 + 1624986.

It is an arithmetic number, because the mean of its divisors is an integer number (1624986).

Almost surely, 2^3249971 is an apocalyptic number.

3249971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3249971 is an equidigital number, since it uses as much as digits as its factorization.

3249971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 3249971 is about 1802.7675945612. The cubic root of 3249971 is about 148.1243628427.

The spelling of 3249971 in words is "three million, two hundred forty-nine thousand, nine hundred seventy-one".