240902873 has 2 divisors, whose sum is σ = 240902874. Its totient is φ = 240902872.

The previous prime is 240902821. The next prime is 240902911. The reversal of 240902873 is 378209042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197908624 + 42994249 = 14068^2 + 6557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240902873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (240902173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120451436 + 120451437.

It is an arithmetic number, because the mean of its divisors is an integer number (120451437).

Almost surely, 2^240902873 is an apocalyptic number.

It is an amenable number.

240902873 is a deficient number, since it is larger than the sum of its proper divisors (1).

240902873 is an equidigital number, since it uses as much as digits as its factorization.

240902873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 240902873 is about 15521.0461309797. The cubic root of 240902873 is about 622.2248138793.

The spelling of 240902873 in words is "two hundred forty million, nine hundred two thousand, eight hundred seventy-three".