1157564625 has 64 divisors (see below), whose sum is σ = 2214950400. Its totient is φ = 525907200.

The previous prime is 1157564623. The next prime is 1157564651. The reversal of 1157564625 is 5264657511.

It is not a de Polignac number, because 1157564625 - 2¹ = 1157564623 is a prime.

It is a super-2 number, since 2×1157564625² = 2679911722102781250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1157564621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452851 + ... + 455399.

It is an arithmetic number, because the mean of its divisors is an integer number (34608600).

Almost surely, 2^1157564625 is an apocalyptic number.

1157564625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1157564625 is a deficient number, since it is larger than the sum of its proper divisors (1057385775).

1157564625 is a wasteful number, since it uses less digits than its factorization.

1157564625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747 (or 2737 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 1157564625 is about 34023.0014108103. The cubic root of 1157564625 is about 1049.9817457144.

The spelling of 1157564625 in words is "one billion, one hundred fifty-seven million, five hundred sixty-four thousand, six hundred twenty-five".