1964225 has 6 divisors (see below), whose sum is σ = 2435670. Its totient is φ = 1571360.

The previous prime is 1964213. The next prime is 1964243. The reversal of 1964225 is 5224691.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 620944 + 1343281 = 788^2 + 1159^2 .

It is not a de Polignac number, because 1964225 - 2¹⁰ = 1963201 is a prime.

It is a d-powerful number, because it can be written as 1 + 9³ + 6 + 4⁹ + 2¹⁸ + 2²⁰ + 5⁸ .

It is a Curzon 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, 39260 + ... + 39309.

It is an arithmetic number, because the mean of its divisors is an integer number (405945).

2^1964225 is an apocalyptic number.

It is an amenable number.

1964225 is a deficient number, since it is larger than the sum of its proper divisors (471445).

1964225 is an equidigital number, since it uses as much as digits as its factorization.

1964225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78579 (or 78574 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1964225 is about 1401.5081162805. The cubic root of 1964225 is about 125.2363528171.

It can be divided in two parts, 196 and 4225, that multiplied together give a square (828100 = 910²).

The spelling of 1964225 in words is "one million, nine hundred sixty-four thousand, two hundred twenty-five".