1157327325 has 144 divisors (see below), whose sum is σ = 2698845120. Its totient is φ = 480816000.

The previous prime is 1157327293. The next prime is 1157327333. The reversal of 1157327325 is 5237237511.

It is a happy number.

1157327325 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 327 + 325 = 666.

It is not a de Polignac number, because 1157327325 - 2⁵ = 1157327293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1157327325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 362235 + ... + 365415.

It is an arithmetic number, because the mean of its divisors is an integer number (18741980).

Almost surely, 2^1157327325 is an apocalyptic number.

1157327325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1157327325 is an abundant number, since it is smaller than the sum of its proper divisors (1541517795).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157327325 is a wasteful number, since it uses less digits than its factorization.

1157327325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225 (or 3207 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 1157327325 is about 34019.5138854158. The cubic root of 1157327325 is about 1049.9099922846.

The spelling of 1157327325 in words is "one billion, one hundred fifty-seven million, three hundred twenty-seven thousand, three hundred twenty-five".