245097 has 12 divisors (see below), whose sum is σ = 358644. Its totient is φ = 161280.

The previous prime is 245087. The next prime is 245107. The reversal of 245097 is 790542.

It is an interprime number because it is at equal distance from previous prime (245087) and next prime (245107).

It can be written as a sum of positive squares in 2 ways, for example, as 76176 + 168921 = 276^2 + 411^2 .

It is not a de Polignac number, because 245097 - 2⁶ = 245033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245097.

It is not an unprimeable number, because it can be changed into a prime (245087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897 + ... + 1137.

It is an arithmetic number, because the mean of its divisors is an integer number (29887).

2²⁴⁵⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

245097 is a deficient number, since it is larger than the sum of its proper divisors (113547).

245097 is a wasteful number, since it uses less digits than its factorization.

245097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 245097 is about 495.0727219308. The cubic root of 245097 is about 62.5815043332.

The spelling of 245097 in words is "two hundred forty-five thousand, ninety-seven".