245250497 has 4 divisors (see below), whose sum is σ = 245289300. Its totient is φ = 245211696.

The previous prime is 245250493. The next prime is 245250503. The reversal of 245250497 is 794052542.

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 66520336 + 178730161 = 8156^2 + 13369^2 .

It is a cyclic number.

It is not a de Polignac number, because 245250497 - 2² = 245250493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245250497.

It is not an unprimeable number, because it can be changed into a prime (245250493) 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, 7478 + ... + 23375.

It is an arithmetic number, because the mean of its divisors is an integer number (61322325).

Almost surely, 2^245250497 is an apocalyptic number.

It is an amenable number.

245250497 is a deficient number, since it is larger than the sum of its proper divisors (38803).

245250497 is an equidigital number, since it uses as much as digits as its factorization.

245250497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38802.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 245250497 is about 15660.4756313466. The cubic root of 245250497 is about 625.9456592175.

The spelling of 245250497 in words is "two hundred forty-five million, two hundred fifty thousand, four hundred ninety-seven".