245052551 has 8 divisors (see below), whose sum is σ = 253200000. Its totient is φ = 236920320.

The previous prime is 245052541. The next prime is 245052593. The reversal of 245052551 is 155250542.

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 245052551 - 2⁶ = 245052487 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 (245052541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35555 + ... + 41883.

It is an arithmetic number, because the mean of its divisors is an integer number (31650000).

Almost surely, 2^245052551 is an apocalyptic number.

245052551 is a deficient number, since it is larger than the sum of its proper divisors (8147449).

245052551 is a wasteful number, since it uses less digits than its factorization.

245052551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7609.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 245052551 is about 15654.1544326099. The cubic root of 245052551 is about 625.7772099642. Note that the first 3 decimals are identical.

The spelling of 245052551 in words is "two hundred forty-five million, fifty-two thousand, five hundred fifty-one".