47205401 has 2 divisors, whose sum is σ = 47205402. Its totient is φ = 47205400.

The previous prime is 47205349. The next prime is 47205409. The reversal of 47205401 is 10450274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26265625 + 20939776 = 5125^2 + 4576^2 .

It is a cyclic number.

It is not a de Polignac number, because 47205401 - 2²² = 43011097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47205409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23602700 + 23602701.

It is an arithmetic number, because the mean of its divisors is an integer number (23602701).

Almost surely, 2^47205401 is an apocalyptic number.

It is an amenable number.

47205401 is a deficient number, since it is larger than the sum of its proper divisors (1).

47205401 is an equidigital number, since it uses as much as digits as its factorization.

47205401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 47205401 is about 6870.6186766550. The cubic root of 47205401 is about 361.4075578567.

Adding to 47205401 its reverse (10450274), we get a palindrome (57655675).

The spelling of 47205401 in words is "forty-seven million, two hundred five thousand, four hundred one".