25005473 has 2 divisors, whose sum is σ = 25005474. Its totient is φ = 25005472.

The previous prime is 25005467. The next prime is 25005509. The reversal of 25005473 is 37450052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13601344 + 11404129 = 3688^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 25005473 - 2¹² = 25001377 is a prime.

It is not a weakly prime, because it can be changed into another prime (25005443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502736 + 12502737.

It is an arithmetic number, because the mean of its divisors is an integer number (12502737).

Almost surely, 2^25005473 is an apocalyptic number.

It is an amenable number.

25005473 is a deficient number, since it is larger than the sum of its proper divisors (1).

25005473 is an equidigital number, since it uses as much as digits as its factorization.

25005473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25005473 is about 5000.5472700495. The cubic root of 25005473 is about 292.4231097965.

The spelling of 25005473 in words is "twenty-five million, five thousand, four hundred seventy-three".