1025633 has 4 divisors (see below), whose sum is σ = 1172160. Its totient is φ = 879108.

The previous prime is 1025623. The next prime is 1025641. The reversal of 1025633 is 3365201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1025633 - 2¹⁰ = 1024609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73253 + ... + 73266.

It is an arithmetic number, because the mean of its divisors is an integer number (293040).

2^1025633 is an apocalyptic number.

It is an amenable number.

1025633 is a deficient number, since it is larger than the sum of its proper divisors (146527).

1025633 is an equidigital number, since it uses as much as digits as its factorization.

1025633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146526.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1025633 is about 1012.7354047331. The cubic root of 1025633 is about 100.8472349903.

The spelling of 1025633 in words is "one million, twenty-five thousand, six hundred thirty-three".