1158040925 has 6 divisors (see below), whose sum is σ = 1435970778. Its totient is φ = 926432720.

The previous prime is 1158040921. The next prime is 1158040951. The reversal of 1158040925 is 5290408511.

It can be written as a sum of positive squares in 3 ways, for example, as 416731396 + 741309529 = 20414^2 + 27227^2 .

It is not a de Polignac number, because 1158040925 - 2² = 1158040921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158040921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23160794 + ... + 23160843.

It is an arithmetic number, because the mean of its divisors is an integer number (239328463).

Almost surely, 2^1158040925 is an apocalyptic number.

It is an amenable number.

1158040925 is a deficient number, since it is larger than the sum of its proper divisors (277929853).

1158040925 is an equidigital number, since it uses as much as digits as its factorization.

1158040925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46321647 (or 46321642 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1158040925 is about 34030.0003673229. Note that the first 3 decimals coincide. The cubic root of 1158040925 is about 1050.1257370211.

It can be divided in two parts, 11580409 and 25, that multiplied together give a square (289510225 = 17015²).

The spelling of 1158040925 in words is "one billion, one hundred fifty-eight million, forty thousand, nine hundred twenty-five".