453990265 has 4 divisors (see below), whose sum is σ = 544788324. Its totient is φ = 363192208.

The previous prime is 453990227. The next prime is 453990281. The reversal of 453990265 is 562099354.

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 122058304 + 331931961 = 11048^2 + 18219^2 .

It is a cyclic number.

It is not a de Polignac number, because 453990265 - 2⁷ = 453990137 is a prime.

It is a super-2 number, since 2×453990265² = 412214321429540450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45399022 + ... + 45399031.

It is an arithmetic number, because the mean of its divisors is an integer number (136197081).

Almost surely, 2^453990265 is an apocalyptic number.

It is an amenable number.

453990265 is a deficient number, since it is larger than the sum of its proper divisors (90798059).

453990265 is an equidigital number, since it uses as much as digits as its factorization.

453990265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90798058.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 453990265 is about 21307.0473083438. The cubic root of 453990265 is about 768.5677908656.

The spelling of 453990265 in words is "four hundred fifty-three million, nine hundred ninety thousand, two hundred sixty-five".