1427625 has 48 divisors (see below), whose sum is σ = 2725632. Its totient is φ = 745200.

The previous prime is 1427617. The next prime is 1427627. The reversal of 1427625 is 5267241.

1427625 is a `hidden beast` number, since 14 + 27 + 625 = 666.

It is not a de Polignac number, because 1427625 - 2³ = 1427617 is a prime.

It is a super-2 number, since 2×1427625² = 4076226281250, which contains 22 as substring.

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

1427625 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1427627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30352 + ... + 30398.

It is an arithmetic number, because the mean of its divisors is an integer number (56784).

2^1427625 is an apocalyptic number.

1427625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1427625 is a deficient number, since it is larger than the sum of its proper divisors (1298007).

1427625 is an frugal number, since it uses more digits than its factorization.

1427625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 55 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 1427625 is about 1194.8326242617. The cubic root of 1427625 is about 112.5999112426.

The spelling of 1427625 in words is "one million, four hundred twenty-seven thousand, six hundred twenty-five".