245224277 has 4 divisors (see below), whose sum is σ = 246250560. Its totient is φ = 244197996.

The previous prime is 245224267. The next prime is 245224289. The reversal of 245224277 is 772422542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245224277 - 2¹⁶ = 245158741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245224207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 512783 + ... + 513260.

It is an arithmetic number, because the mean of its divisors is an integer number (61562640).

Almost surely, 2^245224277 is an apocalyptic number.

It is an amenable number.

245224277 is a deficient number, since it is larger than the sum of its proper divisors (1026283).

245224277 is a wasteful number, since it uses less digits than its factorization.

245224277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026282.

The product of its digits is 62720, while the sum is 35.

The square root of 245224277 is about 15659.6384696455. The cubic root of 245224277 is about 625.9233515766.

The spelling of 245224277 in words is "two hundred forty-five million, two hundred twenty-four thousand, two hundred seventy-seven".