1146535253 has 4 divisors (see below), whose sum is σ = 1146819468. Its totient is φ = 1146251040.

The previous prime is 1146535237. The next prime is 1146535283. The reversal of 1146535253 is 3525356411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 388799524 + 757735729 = 19718^2 + 27527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146535253 - 2⁴ = 1146535237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146535283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135968 + ... + 144153.

It is an arithmetic number, because the mean of its divisors is an integer number (286704867).

Almost surely, 2^1146535253 is an apocalyptic number.

It is an amenable number.

1146535253 is a deficient number, since it is larger than the sum of its proper divisors (284215).

1146535253 is an equidigital number, since it uses as much as digits as its factorization.

1146535253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284214.

The product of its digits is 54000, while the sum is 35.

The square root of 1146535253 is about 33860.5264725757. The cubic root of 1146535253 is about 1046.6363268395.

The spelling of 1146535253 in words is "one billion, one hundred forty-six million, five hundred thirty-five thousand, two hundred fifty-three".