1235522313 has 24 divisors (see below), whose sum is σ = 1809050880. Its totient is φ = 812449440.

The previous prime is 1235522263. The next prime is 1235522341. The reversal of 1235522313 is 3132255321.

It is a happy number.

1235522313 is a `hidden beast` number, since 123 + 5 + 522 + 3 + 13 = 666.

It is not a de Polignac number, because 1235522313 - 2¹⁶ = 1235456777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1235522383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739443 + ... + 741111.

It is an arithmetic number, because the mean of its divisors is an integer number (75377120).

Almost surely, 2^1235522313 is an apocalyptic number.

It is an amenable number.

1235522313 is a deficient number, since it is larger than the sum of its proper divisors (573528567).

1235522313 is a wasteful number, since it uses less digits than its factorization.

1235522313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2746 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 1235522313 is about 35149.9973399714. The cubic root of 1235522313 is about 1073.0423540174.

Adding to 1235522313 its reverse (3132255321), we get a palindrome (4367777634).

The spelling of 1235522313 in words is "one billion, two hundred thirty-five million, five hundred twenty-two thousand, three hundred thirteen".