473121401 has 2 divisors, whose sum is σ = 473121402. Its totient is φ = 473121400.

The previous prime is 473121391. The next prime is 473121403. The reversal of 473121401 is 104121374.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473019001 + 102400 = 21749^2 + 320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473121401 is a prime.

Together with 473121403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (473121403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236560700 + 236560701.

It is an arithmetic number, because the mean of its divisors is an integer number (236560701).

Almost surely, 2^473121401 is an apocalyptic number.

It is an amenable number.

473121401 is a deficient number, since it is larger than the sum of its proper divisors (1).

473121401 is an equidigital number, since it uses as much as digits as its factorization.

473121401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 473121401 is about 21751.3540038316. The cubic root of 473121401 is about 779.2154070851.

Adding to 473121401 its reverse (104121374), we get a palindrome (577242775).

The spelling of 473121401 in words is "four hundred seventy-three million, one hundred twenty-one thousand, four hundred one".