3249997 has 2 divisors, whose sum is σ = 3249998. Its totient is φ = 3249996.

The previous prime is 3249991. The next prime is 3250021. The reversal of 3249997 is 7999423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2579236 + 670761 = 1606^2 + 819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3249997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3249991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624998 + 1624999.

It is an arithmetic number, because the mean of its divisors is an integer number (1624999).

Almost surely, 2^3249997 is an apocalyptic number.

It is an amenable number.

3249997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3249997 is an equidigital number, since it uses as much as digits as its factorization.

3249997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 3249997 is about 1802.7748056815. The cubic root of 3249997 is about 148.1247578435.

It can be divided in two parts, 3 and 249997, that added together give a square (250000 = 500²).

The spelling of 3249997 in words is "three million, two hundred forty-nine thousand, nine hundred ninety-seven".