245054207 has 4 divisors (see below), whose sum is σ = 245124840. Its totient is φ = 244983576.

The previous prime is 245054203. The next prime is 245054209. The reversal of 245054207 is 702450542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702450542 = 2 ⋅351225271.

It is a cyclic number.

It is not a de Polignac number, because 245054207 - 2² = 245054203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245054207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245054203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29828 + ... + 37145.

It is an arithmetic number, because the mean of its divisors is an integer number (61281210).

Almost surely, 2^245054207 is an apocalyptic number.

245054207 is a deficient number, since it is larger than the sum of its proper divisors (70633).

245054207 is an equidigital number, since it uses as much as digits as its factorization.

245054207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70632.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 245054207 is about 15654.2073258278. The cubic root of 245054207 is about 625.7786195730.

The spelling of 245054207 in words is "two hundred forty-five million, fifty-four thousand, two hundred seven".