245368551 has 8 divisors (see below), whose sum is σ = 332703360. Its totient is φ = 160806392.

The previous prime is 245368547. The next prime is 245368583. The reversal of 245368551 is 155863542.

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 245368551 - 2² = 245368547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245368051) 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, 692955 + ... + 693308.

It is an arithmetic number, because the mean of its divisors is an integer number (41587920).

Almost surely, 2^245368551 is an apocalyptic number.

245368551 is a deficient number, since it is larger than the sum of its proper divisors (87334809).

245368551 is a wasteful number, since it uses less digits than its factorization.

245368551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386325.

The product of its digits is 144000, while the sum is 39.

The square root of 245368551 is about 15664.2443481963. The cubic root of 245368551 is about 626.0460783620.

The spelling of 245368551 in words is "two hundred forty-five million, three hundred sixty-eight thousand, five hundred fifty-one".