25897450 has 12 divisors (see below), whose sum is σ = 48169350. Its totient is φ = 10358960.

The previous prime is 25897441. The next prime is 25897451. The reversal of 25897450 is 5479852.

It can be written as a sum of positive squares in 3 ways, for example, as 24235929 + 1661521 = 4923^2 + 1289^2 .

It is not an unprimeable number, because it can be changed into a prime (25897451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258925 + ... + 259024.

Almost surely, 2^25897450 is an apocalyptic number.

25897450 is a deficient number, since it is larger than the sum of its proper divisors (22271900).

25897450 is a wasteful number, since it uses less digits than its factorization.

25897450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517961 (or 517956 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 25897450 is about 5088.9537235074. The cubic root of 25897450 is about 295.8596013617.

The spelling of 25897450 in words is "twenty-five million, eight hundred ninety-seven thousand, four hundred fifty".