63258409 has 2 divisors, whose sum is σ = 63258410. Its totient is φ = 63258408.

The previous prime is 63258389. The next prime is 63258413. The reversal of 63258409 is 90485236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60886809 + 2371600 = 7803^2 + 1540^2 .

It is a cyclic number.

It is not a de Polignac number, because 63258409 - 2¹⁵ = 63225641 is a prime.

It is a super-2 number, since 2×63258409² = 8003252618422562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63288409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31629204 + 31629205.

It is an arithmetic number, because the mean of its divisors is an integer number (31629205).

Almost surely, 2^63258409 is an apocalyptic number.

It is an amenable number.

63258409 is a deficient number, since it is larger than the sum of its proper divisors (1).

63258409 is an equidigital number, since it uses as much as digits as its factorization.

63258409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 63258409 is about 7953.5155120236. The cubic root of 63258409 is about 398.4490126183.

The spelling of 63258409 in words is "sixty-three million, two hundred fifty-eight thousand, four hundred nine".