25753025 has 6 divisors (see below), whose sum is σ = 31933782. Its totient is φ = 20602400.

The previous prime is 25753009. The next prime is 25753027. The reversal of 25753025 is 52035752.

It can be written as a sum of positive squares in 3 ways, for example, as 179776 + 25573249 = 424^2 + 5057^2 .

It is not a de Polignac number, because 25753025 - 2⁴ = 25753009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25753027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515036 + ... + 515085.

It is an arithmetic number, because the mean of its divisors is an integer number (5322297).

Almost surely, 2^25753025 is an apocalyptic number.

25753025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25753025 is a deficient number, since it is larger than the sum of its proper divisors (6180757).

25753025 is a wasteful number, since it uses less digits than its factorization.

25753025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030131 (or 1030126 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 25753025 is about 5074.7438358995. The cubic root of 25753025 is about 295.3085921396.

Adding to 25753025 its reverse (52035752), we get a palindrome (77788777).

The spelling of 25753025 in words is "twenty-five million, seven hundred fifty-three thousand, twenty-five".