1025235253 has 16 divisors (see below), whose sum is σ = 1183311360. Its totient is φ = 870097536.

The previous prime is 1025235251. The next prime is 1025235259. The reversal of 1025235253 is 3525325201.

It is not a de Polignac number, because 1025235253 - 2¹ = 1025235251 is a prime.

It is a super-2 number, since 2×1025235253² = 2102214647987948018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025235251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442863 + ... + 445171.

It is an arithmetic number, because the mean of its divisors is an integer number (73956960).

Almost surely, 2^1025235253 is an apocalyptic number.

It is an amenable number.

1025235253 is a deficient number, since it is larger than the sum of its proper divisors (158076107).

1025235253 is a wasteful number, since it uses less digits than its factorization.

1025235253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1025235253 is about 32019.2950109774. The cubic root of 1025235253 is about 1008.3419690508.

The spelling of 1025235253 in words is "one billion, twenty-five million, two hundred thirty-five thousand, two hundred fifty-three".