63435401 has 2 divisors, whose sum is σ = 63435402. Its totient is φ = 63435400.

The previous prime is 63435371. The next prime is 63435413. The reversal of 63435401 is 10453436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54405376 + 9030025 = 7376^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 63435401 - 2²² = 59241097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63435301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31717700 + 31717701.

It is an arithmetic number, because the mean of its divisors is an integer number (31717701).

Almost surely, 2^63435401 is an apocalyptic number.

It is an amenable number.

63435401 is a deficient number, since it is larger than the sum of its proper divisors (1).

63435401 is an equidigital number, since it uses as much as digits as its factorization.

63435401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 63435401 is about 7964.6343921112. The cubic root of 63435401 is about 398.8202761329.

Adding to 63435401 its reverse (10453436), we get a palindrome (73888837).

It can be divided in two parts, 63435 and 401, that added together give a palindrome (63836).

The spelling of 63435401 in words is "sixty-three million, four hundred thirty-five thousand, four hundred one".