1764025 has 12 divisors (see below), whose sum is σ = 2242044. Its totient is φ = 1376000.

The previous prime is 1764013. The next prime is 1764029. The reversal of 1764025 is 5204671.

It can be written as a sum of positive squares in 6 ways, for example, as 153664 + 1610361 = 392^2 + 1269^2 .

It is not a de Polignac number, because 1764025 - 2⁷ = 1763897 is a prime.

It is a super-2 number, since 2×1764025² = 6223568401250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

1764025 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1764029) 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 11 ways as a sum of consecutive naturals, for example, 165 + ... + 1885.

It is an arithmetic number, because the mean of its divisors is an integer number (186837).

2^1764025 is an apocalyptic number.

It is an amenable number.

1764025 is a deficient number, since it is larger than the sum of its proper divisors (478019).

1764025 is a wasteful number, since it uses less digits than its factorization.

1764025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1767 counting only the distinct ones).

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

The square root of 1764025 is about 1328.1660287780. The cubic root of 1764025 is about 120.8281831601.

Adding to 1764025 its reverse (5204671), we get a palindrome (6968696).

The spelling of 1764025 in words is "one million, seven hundred sixty-four thousand, twenty-five".