25131067 has 4 divisors (see below), whose sum is σ = 27064240. Its totient is φ = 23197896.

The previous prime is 25131047. The next prime is 25131079. The reversal of 25131067 is 76013152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25131067 - 2¹¹ = 25129019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25131017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966567 + ... + 966592.

It is an arithmetic number, because the mean of its divisors is an integer number (6766060).

Almost surely, 2^25131067 is an apocalyptic number.

25131067 is a deficient number, since it is larger than the sum of its proper divisors (1933173).

25131067 is a wasteful number, since it uses less digits than its factorization.

25131067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933172.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 25131067 is about 5013.0895663253. The cubic root of 25131067 is about 292.9118730719.

The spelling of 25131067 in words is "twenty-five million, one hundred thirty-one thousand, sixty-seven".