32520340451 has 4 divisors (see below), whose sum is σ = 34433301672. Its totient is φ = 30607379232.

The previous prime is 32520340393. The next prime is 32520340459. The reversal of 32520340451 is 15404302523.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32520340451 - 2¹⁰ = 32520339427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32520340459) 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, 956480585 + ... + 956480618.

It is an arithmetic number, because the mean of its divisors is an integer number (8608325418).

Almost surely, 2^32520340451 is an apocalyptic number.

32520340451 is a deficient number, since it is larger than the sum of its proper divisors (1912961221).

32520340451 is a wasteful number, since it uses less digits than its factorization.

32520340451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912961220.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 32520340451 its reverse (15404302523), we get a palindrome (47924642974).

The spelling of 32520340451 in words is "thirty-two billion, five hundred twenty million, three hundred forty thousand, four hundred fifty-one".