1627225 has 6 divisors (see below), whose sum is σ = 2017790. Its totient is φ = 1301760.

The previous prime is 1627201. The next prime is 1627237. The reversal of 1627225 is 5227261.

It can be written as a sum of positive squares in 3 ways, for example, as 537289 + 1089936 = 733^2 + 1044^2 .

It is not a de Polignac number, because 1627225 - 2⁵ = 1627193 is a prime.

It is a super-2 number, since 2×1627225² = 5295722401250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 65089 = 1627225 / (1 + 6 + 2 + 7 + 2 + 2 + 5).

It is a d-powerful number, because it can be written as 1 + 6⁷ + 2¹¹ + 7⁷ + 2¹⁶ + 2¹⁶ + 5⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 1627225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32520 + ... + 32569.

2^1627225 is an apocalyptic number.

It is an amenable number.

1627225 is a deficient number, since it is larger than the sum of its proper divisors (390565).

1627225 is an equidigital number, since it uses as much as digits as its factorization.

1627225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65099 (or 65094 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 1627225 is about 1275.6272966662. The cubic root of 1627225 is about 117.6203685777.

It can be divided in two parts, 16 and 27225, that multiplied together give a square (435600 = 660²).

The spelling of 1627225 in words is "one million, six hundred twenty-seven thousand, two hundred twenty-five".