1253542435 has 8 divisors (see below), whose sum is σ = 1569653280. Its totient is φ = 959232384.

The previous prime is 1253542427. The next prime is 1253542439. The reversal of 1253542435 is 5342453521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253542435 - 2³ = 1253542427 is a prime.

1253542435 is a modest number, since divided by 42435 gives 12535 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1253542435.

It is not an unprimeable number, because it can be changed into a prime (1253542439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5450070 + ... + 5450299.

It is an arithmetic number, because the mean of its divisors is an integer number (196206660).

Almost surely, 2^1253542435 is an apocalyptic number.

1253542435 is a deficient number, since it is larger than the sum of its proper divisors (316110845).

1253542435 is a wasteful number, since it uses less digits than its factorization.

1253542435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10900397.

The product of its digits is 72000, while the sum is 34.

The square root of 1253542435 is about 35405.4012122444. The cubic root of 1253542435 is about 1078.2339779051.

Adding to 1253542435 its reverse (5342453521), we get a palindrome (6595995956).

The spelling of 1253542435 in words is "one billion, two hundred fifty-three million, five hundred forty-two thousand, four hundred thirty-five".