1135625321 has 4 divisors (see below), whose sum is σ = 1139943552. Its totient is φ = 1131307092.

The previous prime is 1135625311. The next prime is 1135625341. The reversal of 1135625321 is 1235265311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1135625321 - 2¹⁰ = 1135624297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135625311) 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, 2158721 + ... + 2159246.

It is an arithmetic number, because the mean of its divisors is an integer number (284985888).

Almost surely, 2^1135625321 is an apocalyptic number.

It is an amenable number.

1135625321 is a deficient number, since it is larger than the sum of its proper divisors (4318231).

1135625321 is an equidigital number, since it uses as much as digits as its factorization.

1135625321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318230.

The product of its digits is 5400, while the sum is 29.

The square root of 1135625321 is about 33699.0403572565. The cubic root of 1135625321 is about 1043.3059619050.

The spelling of 1135625321 in words is "one billion, one hundred thirty-five million, six hundred twenty-five thousand, three hundred twenty-one".