1153325431 has 2 divisors, whose sum is σ = 1153325432. Its totient is φ = 1153325430.

The previous prime is 1153325429. The next prime is 1153325443. The reversal of 1153325431 is 1345233511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1153325431 - 2¹ = 1153325429 is a prime.

It is a super-2 number, since 2×1153325431² = 2660319099582671522, which contains 22 as substring.

Together with 1153325429, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1153325431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153325401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576662715 + 576662716.

It is an arithmetic number, because the mean of its divisors is an integer number (576662716).

Almost surely, 2^1153325431 is an apocalyptic number.

1153325431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153325431 is an equidigital number, since it uses as much as digits as its factorization.

1153325431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 1153325431 is about 33960.6453266130. The cubic root of 1153325431 is about 1048.6984420067.

Adding to 1153325431 its reverse (1345233511), we get a palindrome (2498558942).

The spelling of 1153325431 in words is "one billion, one hundred fifty-three million, three hundred twenty-five thousand, four hundred thirty-one".