25271901 has 12 divisors (see below), whose sum is σ = 36562240. Its totient is φ = 16821000.

The previous prime is 25271899. The next prime is 25271903. The reversal of 25271901 is 10917252.

It is an interprime number because it is at equal distance from previous prime (25271899) and next prime (25271903).

It is not a de Polignac number, because 25271901 - 2¹ = 25271899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25271903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4890 + ... + 8628.

Almost surely, 2^25271901 is an apocalyptic number.

It is an amenable number.

25271901 is a deficient number, since it is larger than the sum of its proper divisors (11290339).

25271901 is a wasteful number, since it uses less digits than its factorization.

25271901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496 (or 4493 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 25271901 is about 5027.1165691677. The cubic root of 25271901 is about 293.4580115941.

The spelling of 25271901 in words is "twenty-five million, two hundred seventy-one thousand, nine hundred one".