1253432253 has 32 divisors (see below), whose sum is σ = 1790812800. Its totient is φ = 777082880.

The previous prime is 1253432251. The next prime is 1253432291. The reversal of 1253432253 is 3522343521.

It is a cyclic number.

It is not a de Polignac number, because 1253432253 - 2¹ = 1253432251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1253432253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253432251) 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, 2135026 + ... + 2135612.

It is an arithmetic number, because the mean of its divisors is an integer number (55962900).

Almost surely, 2^1253432253 is an apocalyptic number.

It is an amenable number.

1253432253 is a deficient number, since it is larger than the sum of its proper divisors (537380547).

1253432253 is a wasteful number, since it uses less digits than its factorization.

1253432253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037.

The product of its digits is 21600, while the sum is 30.

The square root of 1253432253 is about 35403.8451725233. The cubic root of 1253432253 is about 1078.2023859798.

Adding to 1253432253 its reverse (3522343521), we get a palindrome (4775775774).

The spelling of 1253432253 in words is "one billion, two hundred fifty-three million, four hundred thirty-two thousand, two hundred fifty-three".