450551031 has 24 divisors (see below), whose sum is σ = 700744320. Its totient is φ = 256746672.

The previous prime is 450551029. The next prime is 450551077. The reversal of 450551031 is 130155054.

It is not a de Polignac number, because 450551031 - 2¹ = 450551029 is a prime.

It is a super-2 number, since 2×450551031² = 405992463070325922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450550992 and 450551010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450551131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51670 + ... + 59756.

It is an arithmetic number, because the mean of its divisors is an integer number (29197680).

Almost surely, 2^450551031 is an apocalyptic number.

450551031 is a deficient number, since it is larger than the sum of its proper divisors (250193289).

450551031 is a wasteful number, since it uses less digits than its factorization.

450551031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483 (or 8476 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 450551031 is about 21226.1873872818. The cubic root of 450551031 is about 766.6220901829.

The spelling of 450551031 in words is "four hundred fifty million, five hundred fifty-one thousand, thirty-one".