25461740 has 12 divisors (see below), whose sum is σ = 53469696. Its totient is φ = 10184688.

The previous prime is 25461731. The next prime is 25461749. The reversal of 25461740 is 4716452.

It is an interprime number because it is at equal distance from previous prime (25461731) and next prime (25461749).

It is not an unprimeable number, because it can be changed into a prime (25461749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636524 + ... + 636563.

It is an arithmetic number, because the mean of its divisors is an integer number (4455808).

Almost surely, 2^25461740 is an apocalyptic number.

25461740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25461740 is an abundant number, since it is smaller than the sum of its proper divisors (28007956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25461740 is a wasteful number, since it uses less digits than its factorization.

25461740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273096 (or 1273094 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 25461740 is about 5045.9627426290. The cubic root of 25461740 is about 294.1909845512.

The spelling of 25461740 in words is "twenty-five million, four hundred sixty-one thousand, seven hundred forty".