1025635 has 16 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 731520.

The previous prime is 1025623. The next prime is 1025641. The reversal of 1025635 is 5365201.

It is a happy number.

It is not a de Polignac number, because 1025635 - 2¹⁵ = 992867 is a prime.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2^1025635 is an apocalyptic number.

1025635 is a deficient number, since it is larger than the sum of its proper divisors (345245).

1025635 is a wasteful number, since it uses less digits than its factorization.

1025635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

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

The square root of 1025635 is about 1012.7363921574. The cubic root of 1025635 is about 100.8473005415.

The spelling of 1025635 in words is "one million, twenty-five thousand, six hundred thirty-five".