1515130532 has 6 divisors (see below), whose sum is σ = 2651478438. Its totient is φ = 757565264.

The previous prime is 1515130531. The next prime is 1515130553. The reversal of 1515130532 is 2350315151.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1319578276 + 195552256 = 36326^2 + 13984^2 .

It is not an unprimeable number, because it can be changed into a prime (1515130531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189391313 + ... + 189391320.

It is an arithmetic number, because the mean of its divisors is an integer number (441913073).

Almost surely, 2^1515130532 is an apocalyptic number.

It is an amenable number.

1515130532 is a deficient number, since it is larger than the sum of its proper divisors (1136347906).

1515130532 is a wasteful number, since it uses less digits than its factorization.

1515130532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378782637 (or 378782635 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1515130532 is about 38924.6776736815. The cubic root of 1515130532 is about 1148.5502922105.

Adding to 1515130532 its reverse (2350315151), we get a palindrome (3865445683).

The spelling of 1515130532 in words is "one billion, five hundred fifteen million, one hundred thirty thousand, five hundred thirty-two".