25754797 has 2 divisors, whose sum is σ = 25754798. Its totient is φ = 25754796.

The previous prime is 25754791. The next prime is 25754809. The reversal of 25754797 is 79745752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25462116 + 292681 = 5046^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 25754797 - 2¹⁹ = 25230509 is a prime.

It is a super-2 number, since 2×25754797² = 1326619137022418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25754791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12877398 + 12877399.

It is an arithmetic number, because the mean of its divisors is an integer number (12877399).

Almost surely, 2^25754797 is an apocalyptic number.

It is an amenable number.

25754797 is a deficient number, since it is larger than the sum of its proper divisors (1).

25754797 is an equidigital number, since it uses as much as digits as its factorization.

25754797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 46.

The square root of 25754797 is about 5074.9184229897. The cubic root of 25754797 is about 295.3153651281.

The spelling of 25754797 in words is "twenty-five million, seven hundred fifty-four thousand, seven hundred ninety-seven".