47012501 has 2 divisors, whose sum is σ = 47012502. Its totient is φ = 47012500.

The previous prime is 47012477. The next prime is 47012503. The reversal of 47012501 is 10521074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38427601 + 8584900 = 6199^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 47012501 - 2²² = 42818197 is a prime.

It is a Sophie Germain prime.

Together with 47012503, it forms a pair of twin primes.

It is a Chen prime.

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

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47012503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23506250 + 23506251.

It is an arithmetic number, because the mean of its divisors is an integer number (23506251).

Almost surely, 2^47012501 is an apocalyptic number.

It is an amenable number.

47012501 is a deficient number, since it is larger than the sum of its proper divisors (1).

47012501 is an equidigital number, since it uses as much as digits as its factorization.

47012501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 47012501 is about 6856.5662689133. The cubic root of 47012501 is about 360.9146008760.

Adding to 47012501 its reverse (10521074), we get a palindrome (57533575).

The spelling of 47012501 in words is "forty-seven million, twelve thousand, five hundred one".