452378039 has 2 divisors, whose sum is σ = 452378040. Its totient is φ = 452378038.

The previous prime is 452378033. The next prime is 452378077. The reversal of 452378039 is 930873254.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452378039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452377987 and 452378005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452378033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226189019 + 226189020.

It is an arithmetic number, because the mean of its divisors is an integer number (226189020).

Almost surely, 2^452378039 is an apocalyptic number.

452378039 is a deficient number, since it is larger than the sum of its proper divisors (1).

452378039 is an equidigital number, since it uses as much as digits as its factorization.

452378039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 452378039 is about 21269.1804966717. The cubic root of 452378039 is about 767.6569235660.

The spelling of 452378039 in words is "four hundred fifty-two million, three hundred seventy-eight thousand, thirty-nine".