249270433 has 2 divisors, whose sum is σ = 249270434. Its totient is φ = 249270432.

The previous prime is 249270431. The next prime is 249270487. The reversal of 249270433 is 334072942.

It is a happy number.

249270433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181899169 + 67371264 = 13487^2 + 8208^2 .

It is a cyclic number.

It is not a de Polignac number, because 249270433 - 2¹ = 249270431 is a prime.

Together with 249270431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (249270431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124635216 + 124635217.

It is an arithmetic number, because the mean of its divisors is an integer number (124635217).

Almost surely, 2^249270433 is an apocalyptic number.

It is an amenable number.

249270433 is a deficient number, since it is larger than the sum of its proper divisors (1).

249270433 is an equidigital number, since it uses as much as digits as its factorization.

249270433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 249270433 is about 15788.3005101879. The cubic root of 249270433 is about 629.3471299959.

The spelling of 249270433 in words is "two hundred forty-nine million, two hundred seventy thousand, four hundred thirty-three".