25754245 has 12 divisors (see below), whose sum is σ = 33970860. Its totient is φ = 18729920.

The previous prime is 25754243. The next prime is 25754251. The reversal of 25754245 is 54245752.

It can be written as a sum of positive squares in 2 ways, for example, as 10246401 + 15507844 = 3201^2 + 3938^2 .

It is not a de Polignac number, because 25754245 - 2¹ = 25754243 is a prime.

It is a super-2 number, since 2×25754245² = 1326562271040050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25754245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25754243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20680 + ... + 21889.

It is an arithmetic number, because the mean of its divisors is an integer number (2830905).

Almost surely, 2^25754245 is an apocalyptic number.

It is an amenable number.

25754245 is a deficient number, since it is larger than the sum of its proper divisors (8216615).

25754245 is a wasteful number, since it uses less digits than its factorization.

25754245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42596 (or 42585 counting only the distinct ones).

The product of its digits is 56000, while the sum is 34.

The square root of 25754245 is about 5074.8640375876. The cubic root of 25754245 is about 295.3132552914.

Adding to 25754245 its reverse (54245752), we get a palindrome (79999997).

The spelling of 25754245 in words is "twenty-five million, seven hundred fifty-four thousand, two hundred forty-five".