25487254 has 16 divisors (see below), whose sum is σ = 42049728. Its totient is φ = 11512512.

The previous prime is 25487251. The next prime is 25487257. The reversal of 25487254 is 45278452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25487251) and next prime (25487257).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25487251) 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 7 ways as a sum of consecutive naturals, for example, 9207 + ... + 11650.

It is an arithmetic number, because the mean of its divisors is an integer number (2628108).

Almost surely, 2^25487254 is an apocalyptic number.

25487254 is a deficient number, since it is larger than the sum of its proper divisors (16562474).

25487254 is a wasteful number, since it uses less digits than its factorization.

25487254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20919.

The product of its digits is 89600, while the sum is 37.

The square root of 25487254 is about 5048.4902693776. The cubic root of 25487254 is about 294.2892166836.

The spelling of 25487254 in words is "twenty-five million, four hundred eighty-seven thousand, two hundred fifty-four".