1054543523 has 8 divisors (see below), whose sum is σ = 1187521536. Its totient is φ = 927750600.

The previous prime is 1054543519. The next prime is 1054543531. The reversal of 1054543523 is 3253454501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1054543523 - 2² = 1054543519 is a prime.

It is a super-2 number, since 2×1054543523² = 2224124083802503058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054543523.

It is not an unprimeable number, because it can be changed into a prime (1054543573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545911 + ... + 1546592.

It is an arithmetic number, because the mean of its divisors is an integer number (148440192).

Almost surely, 2^1054543523 is an apocalyptic number.

1054543523 is a deficient number, since it is larger than the sum of its proper divisors (132978013).

1054543523 is a wasteful number, since it uses less digits than its factorization.

1054543523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092545.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 1054543523 is about 32473.7358953355. The cubic root of 1054543523 is about 1017.8602854539.

The spelling of 1054543523 in words is "one billion, fifty-four million, five hundred forty-three thousand, five hundred twenty-three".