1453426521 has 8 divisors (see below), whose sum is σ = 1938192480. Its totient is φ = 968805792.

The previous prime is 1453426517. The next prime is 1453426567. The reversal of 1453426521 is 1256243541.

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

It is not a de Polignac number, because 1453426521 - 2² = 1453426517 is a prime.

It is a super-2 number, since 2×1453426521² = 4224897303892326882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453426571) 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, 10291 + ... + 54888.

It is an arithmetic number, because the mean of its divisors is an integer number (242274060).

Almost surely, 2^1453426521 is an apocalyptic number.

It is an amenable number.

1453426521 is a deficient number, since it is larger than the sum of its proper divisors (484765959).

1453426521 is an equidigital number, since it uses as much as digits as its factorization.

1453426521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72615.

The product of its digits is 28800, while the sum is 33.

The square root of 1453426521 is about 38123.8314050411. The cubic root of 1453426521 is about 1132.7420605438.

The spelling of 1453426521 in words is "one billion, four hundred fifty-three million, four hundred twenty-six thousand, five hundred twenty-one".