453999702025 has 27 divisors (see below), whose sum is σ = 598098310869. Its totient is φ = 341791946880.

The previous prime is 453999702011. The next prime is 453999702067. The reversal of 453999702025 is 520207999354.

The square root of 453999702025 is 673795.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10619508601 + 443380193424 = 103051^2 + 665868^2 .

It is not a de Polignac number, because 453999702025 - 2⁹ = 453999701513 is a prime.

It is a super-2 number, since 2×453999702025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 57268612 + ... + 57276538.

Almost surely, 2^453999702025 is an apocalyptic number.

453999702025 is the 673795-th square number.

453999702025 is the 336898-th centered octagonal number.

It is an amenable number.

453999702025 is a deficient number, since it is larger than the sum of its proper divisors (144098608844).

453999702025 is an frugal number, since it uses more digits than its factorization.

453999702025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15898 (or 7949 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 453999702025 in words is "four hundred fifty-three billion, nine hundred ninety-nine million, seven hundred two thousand, twenty-five".