1054531523 has 4 divisors (see below), whose sum is σ = 1065403080. Its totient is φ = 1043659968.

The previous prime is 1054531519. The next prime is 1054531537. The reversal of 1054531523 is 3251354501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1054531523 - 2² = 1054531519 is a prime.

It is a super-3 number, since 3×1054531523³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054531223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5435633 + ... + 5435826.

It is an arithmetic number, because the mean of its divisors is an integer number (266350770).

Almost surely, 2^1054531523 is an apocalyptic number.

1054531523 is a deficient number, since it is larger than the sum of its proper divisors (10871557).

1054531523 is an equidigital number, since it uses as much as digits as its factorization.

1054531523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871556.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1054531523 is about 32473.5511301120. The cubic root of 1054531523 is about 1017.8564245828.

The spelling of 1054531523 in words is "one billion, fifty-four million, five hundred thirty-one thousand, five hundred twenty-three".