1165245477 has 32 divisors (see below), whose sum is σ = 1746844800. Its totient is φ = 684702720.

The previous prime is 1165245469. The next prime is 1165245503. The reversal of 1165245477 is 7745425611.

It is not a de Polignac number, because 1165245477 - 2³ = 1165245469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165245677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380649 + ... + 383697.

It is an arithmetic number, because the mean of its divisors is an integer number (54588900).

Almost surely, 2^1165245477 is an apocalyptic number.

It is an amenable number.

1165245477 is a deficient number, since it is larger than the sum of its proper divisors (581599323).

1165245477 is a wasteful number, since it uses less digits than its factorization.

1165245477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413.

The product of its digits is 235200, while the sum is 42.

The square root of 1165245477 is about 34135.6921271563. The cubic root of 1165245477 is about 1052.2989618711.

It can be divided in two parts, 1165 and 245477, that added together give a palindrome (246642).

The spelling of 1165245477 in words is "one billion, one hundred sixty-five million, two hundred forty-five thousand, four hundred seventy-seven".