245314055251 has 4 divisors (see below), whose sum is σ = 253227411904. Its totient is φ = 237400698600.

The previous prime is 245314055249. The next prime is 245314055347. The reversal of 245314055251 is 152550413542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245314055251 - 2¹ = 245314055249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245314055251.

It is not an unprimeable number, because it can be changed into a prime (245314055221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3956678280 + ... + 3956678341.

It is an arithmetic number, because the mean of its divisors is an integer number (63306852976).

Almost surely, 2^245314055251 is an apocalyptic number.

245314055251 is a deficient number, since it is larger than the sum of its proper divisors (7913356653).

245314055251 is an equidigital number, since it uses as much as digits as its factorization.

245314055251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913356652.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 245314055251 its reverse (152550413542), we get a palindrome (397864468793).

The spelling of 245314055251 in words is "two hundred forty-five billion, three hundred fourteen million, fifty-five thousand, two hundred fifty-one".