1165236425 has 12 divisors (see below), whose sum is σ = 1458924480. Its totient is φ = 923136720.

The previous prime is 1165236421. The next prime is 1165236431. The reversal of 1165236425 is 5246325611.

It is not a de Polignac number, because 1165236425 - 2² = 1165236421 is a prime.

It is a super-2 number, since 2×1165236425² = 2715551852293561250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1165236421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223685 + ... + 228834.

It is an arithmetic number, because the mean of its divisors is an integer number (121577040).

Almost surely, 2^1165236425 is an apocalyptic number.

It is an amenable number.

1165236425 is a deficient number, since it is larger than the sum of its proper divisors (293688055).

1165236425 is a wasteful number, since it uses less digits than its factorization.

1165236425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452632 (or 452627 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 1165236425 is about 34135.5595384051. The cubic root of 1165236425 is about 1052.2962369989.

The spelling of 1165236425 in words is "one billion, one hundred sixty-five million, two hundred thirty-six thousand, four hundred twenty-five".