1253432355 has 32 divisors (see below), whose sum is σ = 2426817024. Its totient is φ = 539291136.

The previous prime is 1253432353. The next prime is 1253432399. The reversal of 1253432355 is 5532343521.

1253432355 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1253432355 - 2¹ = 1253432353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253432353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349317 + ... + 352886.

It is an arithmetic number, because the mean of its divisors is an integer number (75838032).

Almost surely, 2^1253432355 is an apocalyptic number.

1253432355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253432355 is a deficient number, since it is larger than the sum of its proper divisors (1173384669).

1253432355 is a wasteful number, since it uses less digits than its factorization.

1253432355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702235.

The product of its digits is 54000, while the sum is 33.

The square root of 1253432355 is about 35403.8466130447. The cubic root of 1253432355 is about 1078.2024152266.

Adding to 1253432355 its reverse (5532343521), we get a palindrome (6785775876).

The spelling of 1253432355 in words is "one billion, two hundred fifty-three million, four hundred thirty-two thousand, three hundred fifty-five".