240254533 has 2 divisors, whose sum is σ = 240254534. Its totient is φ = 240254532.

The previous prime is 240254519. The next prime is 240254537. The reversal of 240254533 is 335452042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155301444 + 84953089 = 12462^2 + 9217^2 .

It is a cyclic number.

It is not a de Polignac number, because 240254533 - 2⁵ = 240254501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240254537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120127266 + 120127267.

It is an arithmetic number, because the mean of its divisors is an integer number (120127267).

Almost surely, 2^240254533 is an apocalyptic number.

It is an amenable number.

240254533 is a deficient number, since it is larger than the sum of its proper divisors (1).

240254533 is an equidigital number, since it uses as much as digits as its factorization.

240254533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 240254533 is about 15500.1462251167. The cubic root of 240254533 is about 621.6661161299. Note that the first 3 decimals are identical.

The spelling of 240254533 in words is "two hundred forty million, two hundred fifty-four thousand, five hundred thirty-three".