245258049 has 4 divisors (see below), whose sum is σ = 327010736. Its totient is φ = 163505364.

The previous prime is 245258047. The next prime is 245258051. The reversal of 245258049 is 940852542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (245258047) and next prime (245258051).

It is not a de Polignac number, because 245258049 - 2¹ = 245258047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245257998 and 245258016.

It is not an unprimeable number, because it can be changed into a prime (245258047) 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, 40876339 + ... + 40876344.

It is an arithmetic number, because the mean of its divisors is an integer number (81752684).

Almost surely, 2^245258049 is an apocalyptic number.

It is an amenable number.

245258049 is a deficient number, since it is larger than the sum of its proper divisors (81752687).

245258049 is an equidigital number, since it uses as much as digits as its factorization.

245258049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81752686.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 245258049 is about 15660.7167460497. The cubic root of 245258049 is about 625.9520840677.

The spelling of 245258049 in words is "two hundred forty-five million, two hundred fifty-eight thousand, forty-nine".