25132666 has 12 divisors (see below), whose sum is σ = 40822542. Its totient is φ = 11599536.

The previous prime is 25132663. The next prime is 25132673. The reversal of 25132666 is 66623152.

It can be written as a sum of positive squares in 3 ways, for example, as 6027025 + 19105641 = 2455^2 + 4371^2 .

It is not an unprimeable number, because it can be changed into a prime (25132663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36841 + ... + 37516.

Almost surely, 2^25132666 is an apocalyptic number.

25132666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25132666 is a deficient number, since it is larger than the sum of its proper divisors (15689876).

25132666 is a wasteful number, since it uses less digits than its factorization.

25132666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74385 (or 74372 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 25132666 is about 5013.2490462773. The cubic root of 25132666 is about 292.9180852522.

The spelling of 25132666 in words is "twenty-five million, one hundred thirty-two thousand, six hundred sixty-six".