245399337 has 6 divisors (see below), whose sum is σ = 354465722. Its totient is φ = 163599552.

The previous prime is 245399333. The next prime is 245399339. The reversal of 245399337 is 733993542.

245399337 is a `hidden beast` number, since 24 + 539 + 93 + 3 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 175191696 + 70207641 = 13236^2 + 8379^2 .

It is not a de Polignac number, because 245399337 - 2² = 245399333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245399292 and 245399301.

It is not an unprimeable number, because it can be changed into a prime (245399333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13633288 + ... + 13633305.

Almost surely, 2^245399337 is an apocalyptic number.

It is an amenable number.

245399337 is a deficient number, since it is larger than the sum of its proper divisors (109066385).

245399337 is a wasteful number, since it uses less digits than its factorization.

245399337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27266599 (or 27266596 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 245399337 is about 15665.2270012279. The cubic root of 245399337 is about 626.0722602673.

The spelling of 245399337 in words is "two hundred forty-five million, three hundred ninety-nine thousand, three hundred thirty-seven".