63577403 has 2 divisors, whose sum is σ = 63577404. Its totient is φ = 63577402.

The previous prime is 63577391. The next prime is 63577421. The reversal of 63577403 is 30477536.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63577403 - 2⁴ = 63577387 is a prime.

It is not a weakly prime, because it can be changed into another prime (63577903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31788701 + 31788702.

It is an arithmetic number, because the mean of its divisors is an integer number (31788702).

Almost surely, 2^63577403 is an apocalyptic number.

63577403 is a deficient number, since it is larger than the sum of its proper divisors (1).

63577403 is an equidigital number, since it uses as much as digits as its factorization.

63577403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 63577403 is about 7973.5439423132. The cubic root of 63577403 is about 399.1176446370.

The spelling of 63577403 in words is "sixty-three million, five hundred seventy-seven thousand, four hundred three".