100632481 has 2 divisors, whose sum is σ = 100632482. Its totient is φ = 100632480.

The previous prime is 100632463. The next prime is 100632517. The reversal of 100632481 is 184236001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67914081 + 32718400 = 8241^2 + 5720^2 .

It is a cyclic number.

It is not a de Polignac number, because 100632481 - 2⁵ = 100632449 is a prime.

It is a super-2 number, since 2×100632481² = 20253792464430722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100632431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50316240 + 50316241.

It is an arithmetic number, because the mean of its divisors is an integer number (50316241).

Almost surely, 2^100632481 is an apocalyptic number.

It is an amenable number.

100632481 is a deficient number, since it is larger than the sum of its proper divisors (1).

100632481 is an equidigital number, since it uses as much as digits as its factorization.

100632481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 100632481 is about 10031.5742034837. The cubic root of 100632481 is about 465.1353997346.

Adding to 100632481 its reverse (184236001), we get a palindrome (284868482).

It can be divided in two parts, 10063 and 2481, that added together give a square (12544 = 112²).

The spelling of 100632481 in words is "one hundred million, six hundred thirty-two thousand, four hundred eighty-one".