3331540249 has 2 divisors, whose sum is σ = 3331540250. Its totient is φ = 3331540248.

The previous prime is 3331540189. The next prime is 3331540259. The reversal of 3331540249 is 9420451333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2569780249 + 761760000 = 50693^2 + 27600^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331540249 - 2⁹ = 3331539737 is a prime.

It is a super-2 number, since 2×3331540249² = 22198320861413964002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3331540259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665770124 + 1665770125.

It is an arithmetic number, because the mean of its divisors is an integer number (1665770125).

Almost surely, 2^3331540249 is an apocalyptic number.

It is an amenable number.

3331540249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331540249 is an equidigital number, since it uses as much as digits as its factorization.

3331540249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 3331540249 is about 57719.4962642607. The cubic root of 3331540249 is about 1493.5336829220.

The spelling of 3331540249 in words is "three billion, three hundred thirty-one million, five hundred forty thousand, two hundred forty-nine".