247372520201 has 4 divisors (see below), whose sum is σ = 253125369552. Its totient is φ = 241619670852.

The previous prime is 247372520177. The next prime is 247372520207. The reversal of 247372520201 is 102025273742.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 247372520201 - 2¹⁸ = 247372258057 is a prime.

It is a super-2 number, since 2×247372520201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247372520207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2876424611 + ... + 2876424696.

It is an arithmetic number, because the mean of its divisors is an integer number (63281342388).

Almost surely, 2^247372520201 is an apocalyptic number.

It is an amenable number.

247372520201 is a deficient number, since it is larger than the sum of its proper divisors (5752849351).

247372520201 is an equidigital number, since it uses as much as digits as its factorization.

247372520201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752849350.

The product of its (nonzero) digits is 47040, while the sum is 35.

Adding to 247372520201 its reverse (102025273742), we get a palindrome (349397793943).

The spelling of 247372520201 in words is "two hundred forty-seven billion, three hundred seventy-two million, five hundred twenty thousand, two hundred one".