245752254 has 24 divisors (see below), whose sum is σ = 580869432. Its totient is φ = 74470320.

The previous prime is 245752249. The next prime is 245752277. The reversal of 245752254 is 452257542.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 620389 + ... + 620784.

It is an arithmetic number, because the mean of its divisors is an integer number (24202893).

Almost surely, 2^245752254 is an apocalyptic number.

245752254 is an abundant number, since it is smaller than the sum of its proper divisors (335117178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245752254 is a wasteful number, since it uses less digits than its factorization.

245752254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241192 (or 1241189 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 245752254 is about 15676.4872978611. The cubic root of 245752254 is about 626.3722416662.

The spelling of 245752254 in words is "two hundred forty-five million, seven hundred fifty-two thousand, two hundred fifty-four".