25067540 has 12 divisors (see below), whose sum is σ = 52641876. Its totient is φ = 10027008.

The previous prime is 25067531. The next prime is 25067573. The reversal of 25067540 is 4576052.

It can be written as a sum of positive squares in 2 ways, for example, as 18369796 + 6697744 = 4286^2 + 2588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626669 + ... + 626708.

It is an arithmetic number, because the mean of its divisors is an integer number (4386823).

Almost surely, 2^25067540 is an apocalyptic number.

25067540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25067540 is an abundant number, since it is smaller than the sum of its proper divisors (27574336).

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

25067540 is a wasteful number, since it uses less digits than its factorization.

25067540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253386 (or 1253384 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 25067540 is about 5006.7494444999. The cubic root of 25067540 is about 292.6648545944.

The spelling of 25067540 in words is "twenty-five million, sixty-seven thousand, five hundred forty".