1505340530 has 16 divisors (see below), whose sum is σ = 2716585560. Its totient is φ = 600586752.

The previous prime is 1505340457. The next prime is 1505340553. The reversal of 1505340530 is 350435051.

It can be written as a sum of positive squares in 4 ways, for example, as 917423521 + 587917009 = 30289^2 + 24247^2 .

It is a super-2 number, since 2×1505340530² = 4532100222521361800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1505340530.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 189599 + ... + 197378.

Almost surely, 2^1505340530 is an apocalyptic number.

1505340530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1505340530 is a deficient number, since it is larger than the sum of its proper divisors (1211245030).

1505340530 is a wasteful number, since it uses less digits than its factorization.

1505340530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387373.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1505340530 is about 38798.7181489286. The cubic root of 1505340530 is about 1146.0711625101.

Adding to 1505340530 its reverse (350435051), we get a palindrome (1855775581).

The spelling of 1505340530 in words is "one billion, five hundred five million, three hundred forty thousand, five hundred thirty".