247572000101 has 2 divisors, whose sum is σ = 247572000102. Its totient is φ = 247572000100.

The previous prime is 247572000097. The next prime is 247572000107. The reversal of 247572000101 is 101000275742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139494780100 + 108077220001 = 373490^2 + 328751^2 .

It is a cyclic number.

It is not a de Polignac number, because 247572000101 - 2² = 247572000097 is a prime.

It is a super-2 number, since 2×247572000101² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247572000107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123786000050 + 123786000051.

It is an arithmetic number, because the mean of its divisors is an integer number (123786000051).

Almost surely, 2^247572000101 is an apocalyptic number.

It is an amenable number.

247572000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

247572000101 is an equidigital number, since it uses as much as digits as its factorization.

247572000101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 247572000101 its reverse (101000275742), we get a palindrome (348572275843).

The spelling of 247572000101 in words is "two hundred forty-seven billion, five hundred seventy-two million, one hundred one", and thus it is an aban number.