1040540523 has 16 divisors (see below), whose sum is σ = 1520311296. Its totient is φ = 627798240.

The previous prime is 1040540509. The next prime is 1040540549. The reversal of 1040540523 is 3250450401.

It is not a de Polignac number, because 1040540523 - 2¹³ = 1040532331 is a prime.

It is a super-2 number, since 2×1040540523² = 2165449160010227058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1040540493 and 1040540502.

It is not an unprimeable number, because it can be changed into a prime (1040540023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63340 + ... + 78057.

It is an arithmetic number, because the mean of its divisors is an integer number (95019456).

Almost surely, 2^1040540523 is an apocalyptic number.

1040540523 is a deficient number, since it is larger than the sum of its proper divisors (479770773).

1040540523 is a wasteful number, since it uses less digits than its factorization.

1040540523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141634.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1040540523 is about 32257.4103579317. The cubic root of 1040540523 is about 1013.3348977666.

Adding to 1040540523 its reverse (3250450401), we get a palindrome (4290990924).

The spelling of 1040540523 in words is "one billion, forty million, five hundred forty thousand, five hundred twenty-three".