450131477 has 4 divisors (see below), whose sum is σ = 450626496. Its totient is φ = 449636460.

The previous prime is 450131467. The next prime is 450131483. The reversal of 450131477 is 774131054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450131477 - 2¹⁰ = 450130453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450131467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246143 + ... + 247964.

It is an arithmetic number, because the mean of its divisors is an integer number (112656624).

Almost surely, 2^450131477 is an apocalyptic number.

It is an amenable number.

450131477 is a deficient number, since it is larger than the sum of its proper divisors (495019).

450131477 is an equidigital number, since it uses as much as digits as its factorization.

450131477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495018.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 450131477 is about 21216.3021518831. The cubic root of 450131477 is about 766.3840562858.

The spelling of 450131477 in words is "four hundred fifty million, one hundred thirty-one thousand, four hundred seventy-seven".