27901125 has 64 divisors (see below), whose sum is σ = 59005440. Its totient is φ = 12744000.

The previous prime is 27901123. The next prime is 27901129. The reversal of 27901125 is 52110972.

It is not a de Polignac number, because 27901125 - 2¹ = 27901123 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27901123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23035 + ... + 24215.

It is an arithmetic number, because the mean of its divisors is an integer number (921960).

Almost surely, 2^27901125 is an apocalyptic number.

27901125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27901125 is an abundant number, since it is smaller than the sum of its proper divisors (31104315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27901125 is a wasteful number, since it uses less digits than its factorization.

27901125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1196 counting only the distinct ones).

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

The square root of 27901125 is about 5282.1515502681. The cubic root of 27901125 is about 303.3010438063.

The spelling of 27901125 in words is "twenty-seven million, nine hundred one thousand, one hundred twenty-five".