453213112521 has 8 divisors (see below), whose sum is σ = 650767546240. Its totient is φ = 278900376912.

The previous prime is 453213112489. The next prime is 453213112523. The reversal of 453213112521 is 125211312354.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 453213112521 - 2⁵ = 453213112489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453213112523) 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, 5810424481 + ... + 5810424558.

It is an arithmetic number, because the mean of its divisors is an integer number (81345943280).

Almost surely, 2^453213112521 is an apocalyptic number.

It is an amenable number.

453213112521 is a deficient number, since it is larger than the sum of its proper divisors (197554433719).

453213112521 is a wasteful number, since it uses less digits than its factorization.

453213112521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11620849055.

The product of its digits is 7200, while the sum is 30.

Adding to 453213112521 its reverse (125211312354), we get a palindrome (578424424875).

The spelling of 453213112521 in words is "four hundred fifty-three billion, two hundred thirteen million, one hundred twelve thousand, five hundred twenty-one".