1493523105 has 16 divisors (see below), whose sum is σ = 2405678400. Its totient is φ = 791198528.

The previous prime is 1493523103. The next prime is 1493523137. The reversal of 1493523105 is 5013253941.

It is a cyclic number.

It is not a de Polignac number, because 1493523105 - 2¹ = 1493523103 is a prime.

It is a super-2 number, since 2×1493523105² = 4461222530337682050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1493523103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331887 + ... + 336356.

It is an arithmetic number, because the mean of its divisors is an integer number (150354900).

Almost surely, 2^1493523105 is an apocalyptic number.

1493523105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1493523105 is a deficient number, since it is larger than the sum of its proper divisors (912155295).

1493523105 is a wasteful number, since it uses less digits than its factorization.

1493523105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668400.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1493523105 is about 38646.1266493810. The cubic root of 1493523105 is about 1143.0642667866.

The spelling of 1493523105 in words is "one billion, four hundred ninety-three million, five hundred twenty-three thousand, one hundred five".