202540259 has 2 divisors, whose sum is σ = 202540260. Its totient is φ = 202540258.

The previous prime is 202540213. The next prime is 202540291. The reversal of 202540259 is 952045202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202540259 - 2¹² = 202536163 is a prime.

It is not a weakly prime, because it can be changed into another prime (202540759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101270129 + 101270130.

It is an arithmetic number, because the mean of its divisors is an integer number (101270130).

Almost surely, 2^202540259 is an apocalyptic number.

202540259 is a deficient number, since it is larger than the sum of its proper divisors (1).

202540259 is an equidigital number, since it uses as much as digits as its factorization.

202540259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 202540259 is about 14231.6639575279. The cubic root of 202540259 is about 587.2690593143.

The spelling of 202540259 in words is "two hundred two million, five hundred forty thousand, two hundred fifty-nine".