247351032255 has 16 divisors (see below), whose sum is σ = 402249549024. Its totient is φ = 129757918080.

The previous prime is 247351032251. The next prime is 247351032259. The reversal of 247351032255 is 552230153742.

It is an interprime number because it is at equal distance from previous prime (247351032251) and next prime (247351032259).

It is not a de Polignac number, because 247351032255 - 2² = 247351032251 is a prime.

It is a super-2 number, since 2×247351032255² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247351032251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135163584 + ... + 135165413.

It is an arithmetic number, because the mean of its divisors is an integer number (25140596814).

Almost surely, 2^247351032255 is an apocalyptic number.

247351032255 is a deficient number, since it is larger than the sum of its proper divisors (154898516769).

247351032255 is a wasteful number, since it uses less digits than its factorization.

247351032255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270329066.

The product of its (nonzero) digits is 252000, while the sum is 39.

Adding to 247351032255 its reverse (552230153742), we get a palindrome (799581185997).

The spelling of 247351032255 in words is "two hundred forty-seven billion, three hundred fifty-one million, thirty-two thousand, two hundred fifty-five".