15340530 has 16 divisors (see below), whose sum is σ = 36817344. Its totient is φ = 4090800.

The previous prime is 15340513. The next prime is 15340561. The reversal of 15340530 is 3504351.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15340497 and 15340506.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 255646 + ... + 255705.

It is an arithmetic number, because the mean of its divisors is an integer number (2301084).

Almost surely, 2^15340530 is an apocalyptic number.

15340530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15340530 is an abundant number, since it is smaller than the sum of its proper divisors (21476814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15340530 is a wasteful number, since it uses less digits than its factorization.

15340530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511361.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 15340530 is about 3916.6988651159. The cubic root of 15340530 is about 248.4735251346.

Adding to 15340530 its reverse (3504351), we get a palindrome (18844881).

The spelling of 15340530 in words is "fifteen million, three hundred forty thousand, five hundred thirty".