1025531235 has 24 divisors (see below), whose sum is σ = 1780631424. Its totient is φ = 546013440.

The previous prime is 1025531233. The next prime is 1025531281. The reversal of 1025531235 is 5321355201.

It is a happy number.

1025531235 is a `hidden beast` number, since 102 + 5 + 531 + 23 + 5 = 666.

1025531235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1025531235 - 2¹ = 1025531233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025531199 and 1025531208.

It is not an unprimeable number, because it can be changed into a prime (1025531231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7470 + ... + 45900.

It is an arithmetic number, because the mean of its divisors is an integer number (74192976).

Almost surely, 2^1025531235 is an apocalyptic number.

1025531235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025531235 is a deficient number, since it is larger than the sum of its proper divisors (755100189).

1025531235 is a wasteful number, since it uses less digits than its factorization.

1025531235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39035 (or 39032 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1025531235 is about 32023.9166093094. The cubic root of 1025531235 is about 1008.4389947028.

Adding to 1025531235 its reverse (5321355201), we get a palindrome (6346886436).

The spelling of 1025531235 in words is "one billion, twenty-five million, five hundred thirty-one thousand, two hundred thirty-five".