454130521 has 8 divisors (see below), whose sum is σ = 489238344. Its totient is φ = 419047680.

The previous prime is 454130513. The next prime is 454130557. The reversal of 454130521 is 125031454.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 143137296 + 310993225 = 11964^2 + 17635^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 454130521 - 2³ = 454130513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454130321) 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, 51015 + ... + 59251.

It is an arithmetic number, because the mean of its divisors is an integer number (61154793).

Almost surely, 2^454130521 is an apocalyptic number.

It is an amenable number.

454130521 is a deficient number, since it is larger than the sum of its proper divisors (35107823).

454130521 is a wasteful number, since it uses less digits than its factorization.

454130521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12491.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 454130521 is about 21310.3383595850. The cubic root of 454130521 is about 768.6469299672.

Adding to 454130521 its reverse (125031454), we get a palindrome (579161975).

The spelling of 454130521 in words is "four hundred fifty-four million, one hundred thirty thousand, five hundred twenty-one".