1532520001 has 4 divisors (see below), whose sum is σ = 1539392512. Its totient is φ = 1525647492.

The previous prime is 1532519977. The next prime is 1532520007. The reversal of 1532520001 is 1000252351.

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 1532520001 - 2⁷ = 1532519873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1532520007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435921 + ... + 3436366.

It is an arithmetic number, because the mean of its divisors is an integer number (384848128).

Almost surely, 2^1532520001 is an apocalyptic number.

It is an amenable number.

1532520001 is a deficient number, since it is larger than the sum of its proper divisors (6872511).

1532520001 is an equidigital number, since it uses as much as digits as its factorization.

1532520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872510.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1532520001 is about 39147.4137204490. The cubic root of 1532520001 is about 1152.9276384941.

Adding to 1532520001 its reverse (1000252351), we get a palindrome (2532772352).

The spelling of 1532520001 in words is "one billion, five hundred thirty-two million, five hundred twenty thousand, one".