245268551 has 8 divisors (see below), whose sum is σ = 268563600. Its totient is φ = 222139840.

The previous prime is 245268533. The next prime is 245268553. The reversal of 245268551 is 155862542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245268551 - 2¹⁰ = 245267527 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 (245268553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38486 + ... + 44403.

It is an arithmetic number, because the mean of its divisors is an integer number (33570450).

Almost surely, 2^245268551 is an apocalyptic number.

245268551 is a deficient number, since it is larger than the sum of its proper divisors (23295049).

245268551 is a wasteful number, since it uses less digits than its factorization.

245268551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83169.

The product of its digits is 96000, while the sum is 38.

The square root of 245268551 is about 15661.0520400131. The cubic root of 245268551 is about 625.9610184058.

The spelling of 245268551 in words is "two hundred forty-five million, two hundred sixty-eight thousand, five hundred fifty-one".