451253020 has 12 divisors (see below), whose sum is σ = 947631384. Its totient is φ = 180501200.

The previous prime is 451253017. The next prime is 451253029. The reversal of 451253020 is 20352154.

451253020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 451252982 and 451253000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451253029) 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, 11281306 + ... + 11281345.

It is an arithmetic number, because the mean of its divisors is an integer number (78969282).

Almost surely, 2^451253020 is an apocalyptic number.

It is an amenable number.

451253020 is an abundant number, since it is smaller than the sum of its proper divisors (496378364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451253020 is a wasteful number, since it uses less digits than its factorization.

451253020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22562660 (or 22562658 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 451253020 is about 21242.7168695532. The cubic root of 451253020 is about 767.0200332810.

The spelling of 451253020 in words is "four hundred fifty-one million, two hundred fifty-three thousand, twenty".