1025653 has 2 divisors, whose sum is σ = 1025654. Its totient is φ = 1025652.

The previous prime is 1025641. The next prime is 1025659. The reversal of 1025653 is 3565201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956484 + 69169 = 978^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025653 - 2⁵ = 1025621 is a prime.

1025653 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025659) 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 as a sum of consecutive naturals, namely, 512826 + 512827.

It is an arithmetic number, because the mean of its divisors is an integer number (512827).

2^1025653 is an apocalyptic number.

It is an amenable number.

1025653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025653 is an equidigital number, since it uses as much as digits as its factorization.

1025653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1025653 is about 1012.7452789325. The cubic root of 1025653 is about 100.8478904982.

The spelling of 1025653 in words is "one million, twenty-five thousand, six hundred fifty-three".