1235412525 has 48 divisors (see below), whose sum is σ = 2170736064. Its totient is φ = 617825280.

The previous prime is 1235412517. The next prime is 1235412551. The reversal of 1235412525 is 5252145321.

It is not a de Polignac number, because 1235412525 - 2³ = 1235412517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1235412492 and 1235412501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371922 + ... + 375228.

It is an arithmetic number, because the mean of its divisors is an integer number (45223668).

Almost surely, 2^1235412525 is an apocalyptic number.

1235412525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1235412525 is a deficient number, since it is larger than the sum of its proper divisors (935323539).

1235412525 is a wasteful number, since it uses less digits than its factorization.

1235412525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3625 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 1235412525 is about 35148.4355981884. The cubic root of 1235412525 is about 1073.0105697098.

Adding to 1235412525 its reverse (5252145321), we get a palindrome (6487557846).

The spelling of 1235412525 in words is "one billion, two hundred thirty-five million, four hundred twelve thousand, five hundred twenty-five".