452015623 has 2 divisors, whose sum is σ = 452015624. Its totient is φ = 452015622.

The previous prime is 452015617. The next prime is 452015639. The reversal of 452015623 is 326510254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 452015623 - 2²¹ = 449918471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452015591 and 452015600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452015653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226007811 + 226007812.

It is an arithmetic number, because the mean of its divisors is an integer number (226007812).

Almost surely, 2^452015623 is an apocalyptic number.

452015623 is a deficient number, since it is larger than the sum of its proper divisors (1).

452015623 is an equidigital number, since it uses as much as digits as its factorization.

452015623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 452015623 is about 21260.6590443476. The cubic root of 452015623 is about 767.4518697868.

Adding to 452015623 its reverse (326510254), we get a palindrome (778525877).

The spelling of 452015623 in words is "four hundred fifty-two million, fifteen thousand, six hundred twenty-three".