47272501 has 2 divisors, whose sum is σ = 47272502. Its totient is φ = 47272500.

The previous prime is 47272469. The next prime is 47272531. The reversal of 47272501 is 10527274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38564100 + 8708401 = 6210^2 + 2951^2 .

It is a cyclic number.

It is not a de Polignac number, because 47272501 - 2⁵ = 47272469 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is the 6876-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 47272501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47272531) by changing a digit.

It is a nontrivial repunit in base 6875.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23636250 + 23636251.

It is an arithmetic number, because the mean of its divisors is an integer number (23636251).

Almost surely, 2^47272501 is an apocalyptic number.

It is an amenable number.

47272501 is a deficient number, since it is larger than the sum of its proper divisors (1).

47272501 is an equidigital number, since it uses as much as digits as its factorization.

47272501 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 28.

The square root of 47272501 is about 6875.5000545415. The cubic root of 47272501 is about 361.5787174093.

Adding to 47272501 its reverse (10527274), we get a palindrome (57799775).

The spelling of 47272501 in words is "forty-seven million, two hundred seventy-two thousand, five hundred one".