245000245 has 24 divisors (see below), whose sum is σ = 345421368. Its totient is φ = 166320000.

The previous prime is 245000233. The next prime is 245000257. The reversal of 245000245 is 542000542.

245000245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245000233) and next prime (245000257).

It can be written as a sum of positive squares in 4 ways, for example, as 151954929 + 93045316 = 12327^2 + 9646^2 .

It is not a de Polignac number, because 245000245 - 2²³ = 236611637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19795 + ... + 29695.

It is an arithmetic number, because the mean of its divisors is an integer number (14392557).

Almost surely, 2^245000245 is an apocalyptic number.

It is an amenable number.

245000245 is a deficient number, since it is larger than the sum of its proper divisors (100421123).

245000245 is a wasteful number, since it uses less digits than its factorization.

245000245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021 (or 10014 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 245000245 is about 15652.4836687345. The cubic root of 245000245 is about 625.7326831450.

Adding to 245000245 its reverse (542000542), we get a palindrome (787000787).

The spelling of 245000245 in words is "two hundred forty-five million, two hundred forty-five", and thus it is an aban number.