1530523011 has 16 divisors (see below), whose sum is σ = 2069798400. Its totient is φ = 1005839328.

The previous prime is 1530522991. The next prime is 1530523021. The reversal of 1530523011 is 1103250351.

It is not a de Polignac number, because 1530523011 - 2⁷ = 1530522883 is a prime.

It is a super-2 number, since 2×1530523011² = 4685001374401012242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1530523021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155680 + ... + 165218.

It is an arithmetic number, because the mean of its divisors is an integer number (129362400).

Almost surely, 2^1530523011 is an apocalyptic number.

1530523011 is a deficient number, since it is larger than the sum of its proper divisors (539275389).

1530523011 is an equidigital number, since it uses as much as digits as its factorization.

1530523011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1530523011 is about 39121.8993787367. The cubic root of 1530523011 is about 1152.4266367130.

Adding to 1530523011 its reverse (1103250351), we get a palindrome (2633773362).

The spelling of 1530523011 in words is "one billion, five hundred thirty million, five hundred twenty-three thousand, eleven".