63545479 has 2 divisors, whose sum is σ = 63545480. Its totient is φ = 63545478.

The previous prime is 63545453. The next prime is 63545483. The reversal of 63545479 is 97454536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63545479 - 2¹⁵ = 63512711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63545429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31772739 + 31772740.

It is an arithmetic number, because the mean of its divisors is an integer number (31772740).

Almost surely, 2^63545479 is an apocalyptic number.

63545479 is a deficient number, since it is larger than the sum of its proper divisors (1).

63545479 is an equidigital number, since it uses as much as digits as its factorization.

63545479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The square root of 63545479 is about 7971.5418207521. The cubic root of 63545479 is about 399.0508307257.

The spelling of 63545479 in words is "sixty-three million, five hundred forty-five thousand, four hundred seventy-nine".