25201071 has 32 divisors (see below), whose sum is σ = 43591680. Its totient is φ = 14089248.

The previous prime is 25201069. The next prime is 25201093. The reversal of 25201071 is 17010252.

It is not a de Polignac number, because 25201071 - 2¹ = 25201069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25201051) 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 31 ways as a sum of consecutive naturals, for example, 7465 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (1362240).

Almost surely, 2^25201071 is an apocalyptic number.

25201071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25201071 is a deficient number, since it is larger than the sum of its proper divisors (18390609).

25201071 is a wasteful number, since it uses less digits than its factorization.

25201071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 25201071 is about 5020.0668322244. The cubic root of 25201071 is about 293.1835950922.

The spelling of 25201071 in words is "twenty-five million, two hundred one thousand, seventy-one".