452134781 has 8 divisors (see below), whose sum is σ = 522951744. Its totient is φ = 382874400.

The previous prime is 452134769. The next prime is 452134807. The reversal of 452134781 is 187431254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 452134781 - 2⁶ = 452134717 is a prime.

It is a super-2 number, since 2×452134781² = 408851720379835922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452134381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388520 + ... + 389681.

It is an arithmetic number, because the mean of its divisors is an integer number (65368968).

Almost surely, 2^452134781 is an apocalyptic number.

It is an amenable number.

452134781 is a deficient number, since it is larger than the sum of its proper divisors (70816963).

452134781 is an equidigital number, since it uses as much as digits as its factorization.

452134781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778291.

The product of its digits is 26880, while the sum is 35.

The square root of 452134781 is about 21263.4611716907. The cubic root of 452134781 is about 767.5193010810.

It can be divided in two parts, 45213 and 4781, that added together give a palindrome (49994).

The spelling of 452134781 in words is "four hundred fifty-two million, one hundred thirty-four thousand, seven hundred eighty-one".