245849057 has 4 divisors (see below), whose sum is σ = 251079936. Its totient is φ = 240618180.

The previous prime is 245849011. The next prime is 245849059. The reversal of 245849057 is 750948542.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 245849057 - 2¹² = 245844961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245848999 and 245849017.

It is not an unprimeable number, because it can be changed into a prime (245849059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2615369 + ... + 2615462.

It is an arithmetic number, because the mean of its divisors is an integer number (62769984).

Almost surely, 2^245849057 is an apocalyptic number.

It is an amenable number.

245849057 is a deficient number, since it is larger than the sum of its proper divisors (5230879).

245849057 is an equidigital number, since it uses as much as digits as its factorization.

245849057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230878.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 245849057 is about 15679.5745159108. The cubic root of 245849057 is about 626.4544745537.

It can be divided in two parts, 2458 and 49057, that added together give a palindrome (51515).

The spelling of 245849057 in words is "two hundred forty-five million, eight hundred forty-nine thousand, fifty-seven".