245241334251 has 6 divisors (see below), whose sum is σ = 354237482820. Its totient is φ = 163494222828.

The previous prime is 245241334243. The next prime is 245241334277. The reversal of 245241334251 is 152433142542.

It is a happy number.

245241334251 is a `hidden beast` number, since 24 + 5 + 241 + 3 + 342 + 51 = 666.

It is not a de Polignac number, because 245241334251 - 2³ = 245241334243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245241334241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13624518561 + ... + 13624518578.

It is an arithmetic number, because the mean of its divisors is an integer number (59039580470).

Almost surely, 2^245241334251 is an apocalyptic number.

245241334251 is a deficient number, since it is larger than the sum of its proper divisors (108996148569).

245241334251 is a wasteful number, since it uses less digits than its factorization.

245241334251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27249037145 (or 27249037142 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 245241334251 its reverse (152433142542), we get a palindrome (397674476793).

The spelling of 245241334251 in words is "two hundred forty-five billion, two hundred forty-one million, three hundred thirty-four thousand, two hundred fifty-one".