1015532452 has 24 divisors (see below), whose sum is σ = 1940484672. Its totient is φ = 461191200.

The previous prime is 1015532447. The next prime is 1015532459. The reversal of 1015532452 is 2542355101.

It is a super-2 number, since 2×1015532452² = 2062612322130264608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1015532452.

It is not an unprimeable number, because it can be changed into a prime (1015532459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42193 + ... + 61735.

It is an arithmetic number, because the mean of its divisors is an integer number (80853528).

Almost surely, 2^1015532452 is an apocalyptic number.

It is an amenable number.

1015532452 is a deficient number, since it is larger than the sum of its proper divisors (924952220).

1015532452 is a wasteful number, since it uses less digits than its factorization.

1015532452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20739 (or 20737 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1015532452 is about 31867.4199143891. The cubic root of 1015532452 is about 1005.1509066068.

Adding to 1015532452 its reverse (2542355101), we get a palindrome (3557887553).

The spelling of 1015532452 in words is "one billion, fifteen million, five hundred thirty-two thousand, four hundred fifty-two".