1090540523 has 2 divisors, whose sum is σ = 1090540524. Its totient is φ = 1090540522.

The previous prime is 1090540499. The next prime is 1090540589. The reversal of 1090540523 is 3250450901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1090540523 - 2⁶ = 1090540459 is a prime.

It is a super-2 number, since 2×1090540523² = 2378557264610227058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1090540223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545270261 + 545270262.

It is an arithmetic number, because the mean of its divisors is an integer number (545270262).

Almost surely, 2^1090540523 is an apocalyptic number.

1090540523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090540523 is an equidigital number, since it uses as much as digits as its factorization.

1090540523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1090540523 is about 33023.3330086471. Note that the first 3 decimals coincide. The cubic root of 1090540523 is about 1029.3125531916.

The spelling of 1090540523 in words is "one billion, ninety million, five hundred forty thousand, five hundred twenty-three".