25425773 has 2 divisors, whose sum is σ = 25425774. Its totient is φ = 25425772.

The previous prime is 25425769. The next prime is 25425811. The reversal of 25425773 is 37752452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25020004 + 405769 = 5002^2 + 637^2 .

It is a cyclic number.

It is not a de Polignac number, because 25425773 - 2² = 25425769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25425703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12712886 + 12712887.

It is an arithmetic number, because the mean of its divisors is an integer number (12712887).

Almost surely, 2^25425773 is an apocalyptic number.

It is an amenable number.

25425773 is a deficient number, since it is larger than the sum of its proper divisors (1).

25425773 is an equidigital number, since it uses as much as digits as its factorization.

25425773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 35.

The square root of 25425773 is about 5042.3975448193. The cubic root of 25425773 is about 294.0523955239.

The spelling of 25425773 in words is "twenty-five million, four hundred twenty-five thousand, seven hundred seventy-three".