452015639 has 2 divisors, whose sum is σ = 452015640. Its totient is φ = 452015638.

The previous prime is 452015623. The next prime is 452015651. The reversal of 452015639 is 936510254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 452015639 - 2⁴ = 452015623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452015599 and 452015608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452015659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226007819 + 226007820.

It is an arithmetic number, because the mean of its divisors is an integer number (226007820).

Almost surely, 2^452015639 is an apocalyptic number.

452015639 is a deficient number, since it is larger than the sum of its proper divisors (1).

452015639 is an equidigital number, since it uses as much as digits as its factorization.

452015639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 452015639 is about 21260.6594206295. The cubic root of 452015639 is about 767.4518788420.

The spelling of 452015639 in words is "four hundred fifty-two million, fifteen thousand, six hundred thirty-nine".