25030971 has 16 divisors (see below), whose sum is σ = 42380800. Its totient is φ = 14303304.

The previous prime is 25030963. The next prime is 25030997. The reversal of 25030971 is 17903052.

It is not a de Polignac number, because 25030971 - 2³ = 25030963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25030921) 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 15 ways as a sum of consecutive naturals, for example, 66031 + ... + 66408.

It is an arithmetic number, because the mean of its divisors is an integer number (2648800).

Almost surely, 2^25030971 is an apocalyptic number.

25030971 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25030971 is a deficient number, since it is larger than the sum of its proper divisors (17349829).

25030971 is a wasteful number, since it uses less digits than its factorization.

25030971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132455 (or 132449 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 25030971 is about 5003.0961413908. The cubic root of 25030971 is about 292.5224703316.

The spelling of 25030971 in words is "twenty-five million, thirty thousand, nine hundred seventy-one".