245320937 has 4 divisors (see below), whose sum is σ = 246120336. Its totient is φ = 244521540.

The previous prime is 245320919. The next prime is 245320939. The reversal of 245320937 is 739023542.

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 245320937 - 2⁸ = 245320681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245320897 and 245320906.

It is not an unprimeable number, because it can be changed into a prime (245320939) 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, 399239 + ... + 399852.

It is an arithmetic number, because the mean of its divisors is an integer number (61530084).

Almost surely, 2^245320937 is an apocalyptic number.

It is an amenable number.

245320937 is a deficient number, since it is larger than the sum of its proper divisors (799399).

245320937 is an equidigital number, since it uses as much as digits as its factorization.

245320937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799398.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 245320937 is about 15662.7244437231. The cubic root of 245320937 is about 626.0055807972.

The spelling of 245320937 in words is "two hundred forty-five million, three hundred twenty thousand, nine hundred thirty-seven".