352453010532421 has 4 divisors (see below), whose sum is σ = 352455137586252. Its totient is φ = 352450883478592.

The previous prime is 352453010532377. The next prime is 352453010532437. The reversal of 352453010532421 is 124235010354253.

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

It can be written as a sum of positive squares in 2 ways, for example, as 288372361140900 + 64080649391521 = 16981530^2 + 8005039^2 .

It is a cyclic number.

It is not a de Polignac number, because 352453010532421 - 2²⁵ = 352452976977989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352453010332421) 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, 1063278346 + ... + 1063609771.

It is an arithmetic number, because the mean of its divisors is an integer number (88113784396563).

Almost surely, 2^{352453010532421} is an apocalyptic number.

It is an amenable number.

352453010532421 is a deficient number, since it is larger than the sum of its proper divisors (2127053831).

352453010532421 is a wasteful number, since it uses less digits than its factorization.

352453010532421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127053830.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 352453010532421 its reverse (124235010354253), we get a palindrome (476688020886674).

The spelling of 352453010532421 in words is "three hundred fifty-two trillion, four hundred fifty-three billion, ten million, five hundred thirty-two thousand, four hundred twenty-one".