1534094521 has 4 divisors (see below), whose sum is σ = 1534209012. Its totient is φ = 1533980032.

The previous prime is 1534094509. The next prime is 1534094539. The reversal of 1534094521 is 1254904351.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1479171600 + 54922921 = 38460^2 + 7411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1534094521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1534094591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34000 + ... + 64993.

It is an arithmetic number, because the mean of its divisors is an integer number (383552253).

Almost surely, 2^1534094521 is an apocalyptic number.

It is an amenable number.

1534094521 is a deficient number, since it is larger than the sum of its proper divisors (114491).

1534094521 is an equidigital number, since it uses as much as digits as its factorization.

1534094521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114490.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1534094521 is about 39167.5186985339. The cubic root of 1534094521 is about 1153.3223448803.

Adding to 1534094521 its reverse (1254904351), we get a palindrome (2788998872).

The spelling of 1534094521 in words is "one billion, five hundred thirty-four million, ninety-four thousand, five hundred twenty-one".