27145125 has 80 divisors (see below), whose sum is σ = 57987072. Its totient is φ = 12376800.

The previous prime is 27145103. The next prime is 27145147. The reversal of 27145125 is 52154172.

It is an interprime number because it is at equal distance from previous prime (27145103) and next prime (27145147).

It is not a de Polignac number, because 27145125 - 2⁹ = 27144613 is a prime.

It is a super-2 number, since 2×27145125² = 1473715622531250, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 70684 + ... + 71066.

Almost surely, 2^27145125 is an apocalyptic number.

27145125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27145125 is an abundant number, since it is smaller than the sum of its proper divisors (30841947).

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

27145125 is an equidigital number, since it uses as much as digits as its factorization.

27145125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 398 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 27145125 is about 5210.0983675935. The cubic root of 27145125 is about 300.5365398446.

Adding to 27145125 its reverse (52154172), we get a palindrome (79299297).

The spelling of 27145125 in words is "twenty-seven million, one hundred forty-five thousand, one hundred twenty-five".