247046053225 has 6 divisors (see below), whose sum is σ = 306337106030. Its totient is φ = 197636842560.

The previous prime is 247046053217. The next prime is 247046053253. The reversal of 247046053225 is 522350640742.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3259953216 + 243786100009 = 57096^2 + 493747^2 .

It is not a de Polignac number, because 247046053225 - 2³ = 247046053217 is a prime.

It is a super-2 number, since 2×247046053225² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4940921040 + ... + 4940921089.

Almost surely, 2^247046053225 is an apocalyptic number.

247046053225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

247046053225 is a deficient number, since it is larger than the sum of its proper divisors (59291052805).

247046053225 is an equidigital number, since it uses as much as digits as its factorization.

247046053225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881842139 (or 9881842134 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 247046053225 its reverse (522350640742), we get a palindrome (769396693967).

The spelling of 247046053225 in words is "two hundred forty-seven billion, forty-six million, fifty-three thousand, two hundred twenty-five".