27925401 has 16 divisors (see below), whose sum is σ = 42882048. Its totient is φ = 15834000.

The previous prime is 27925369. The next prime is 27925409. The reversal of 27925401 is 10452972.

It is not a de Polignac number, because 27925401 - 2⁵ = 27925369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27925409) 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 15 ways as a sum of consecutive naturals, for example, 2325 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (2680128).

Almost surely, 2^27925401 is an apocalyptic number.

27925401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27925401 is a deficient number, since it is larger than the sum of its proper divisors (14956647).

27925401 is a wasteful number, since it uses less digits than its factorization.

27925401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 27925401 is about 5284.4489778973. The cubic root of 27925401 is about 303.3889829335.

The spelling of 27925401 in words is "twenty-seven million, nine hundred twenty-five thousand, four hundred one".