625001473 has 2 divisors, whose sum is σ = 625001474. Its totient is φ = 625001472.

The previous prime is 625001459. The next prime is 625001497. The reversal of 625001473 is 374100526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537915249 + 87086224 = 23193^2 + 9332^2 .

It is a cyclic number.

It is not a de Polignac number, because 625001473 - 2²⁹ = 88130561 is a prime.

It is equal to p_32560408 and since 625001473 and 32560408 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (625001423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312500736 + 312500737.

It is an arithmetic number, because the mean of its divisors is an integer number (312500737).

Almost surely, 2^625001473 is an apocalyptic number.

It is an amenable number.

625001473 is a deficient number, since it is larger than the sum of its proper divisors (1).

625001473 is an equidigital number, since it uses as much as digits as its factorization.

625001473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 625001473 is about 25000.0294599826. The cubic root of 625001473 is about 854.9886450164.

Adding to 625001473 its reverse (374100526), we get a palindrome (999101999).

The spelling of 625001473 in words is "six hundred twenty-five million, one thousand, four hundred seventy-three".