1532452561 has 4 divisors (see below), whose sum is σ = 1535734512. Its totient is φ = 1529170612.

The previous prime is 1532452529. The next prime is 1532452567. The reversal of 1532452561 is 1652542351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1532452561 - 2⁵ = 1532452529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1532452567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640275 + ... + 1641208.

It is an arithmetic number, because the mean of its divisors is an integer number (383933628).

Almost surely, 2^1532452561 is an apocalyptic number.

It is an amenable number.

1532452561 is a deficient number, since it is larger than the sum of its proper divisors (3281951).

1532452561 is an equidigital number, since it uses as much as digits as its factorization.

1532452561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281950.

The product of its digits is 36000, while the sum is 34.

The square root of 1532452561 is about 39146.5523513885. The cubic root of 1532452561 is about 1152.9107263536.

The spelling of 1532452561 in words is "one billion, five hundred thirty-two million, four hundred fifty-two thousand, five hundred sixty-one".