245250133 has 4 divisors (see below), whose sum is σ = 249877548. Its totient is φ = 240622720.

The previous prime is 245250121. The next prime is 245250191. The reversal of 245250133 is 331052542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214856964 + 30393169 = 14658^2 + 5513^2 .

It is a cyclic number.

It is not a de Polignac number, because 245250133 - 2⁵ = 245250101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245250098 and 245250107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245250193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313628 + ... + 2313733.

It is an arithmetic number, because the mean of its divisors is an integer number (62469387).

Almost surely, 2^245250133 is an apocalyptic number.

It is an amenable number.

245250133 is a deficient number, since it is larger than the sum of its proper divisors (4627415).

245250133 is an equidigital number, since it uses as much as digits as its factorization.

245250133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627414.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 245250133 is about 15660.4640097284. The cubic root of 245250133 is about 625.9453495419.

The spelling of 245250133 in words is "two hundred forty-five million, two hundred fifty thousand, one hundred thirty-three".