99481237 has 2 divisors, whose sum is σ = 99481238. Its totient is φ = 99481236.

The previous prime is 99481199. The next prime is 99481243. The reversal of 99481237 is 73218499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50495236 + 48986001 = 7106^2 + 6999^2 .

It is a cyclic number.

It is not a de Polignac number, because 99481237 - 2¹⁵ = 99448469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99481193 and 99481202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99481247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49740618 + 49740619.

It is an arithmetic number, because the mean of its divisors is an integer number (49740619).

Almost surely, 2^99481237 is an apocalyptic number.

It is an amenable number.

99481237 is a deficient number, since it is larger than the sum of its proper divisors (1).

99481237 is an equidigital number, since it uses as much as digits as its factorization.

99481237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 99481237 is about 9974.0281230805. The cubic root of 99481237 is about 463.3548632520.

The spelling of 99481237 in words is "ninety-nine million, four hundred eighty-one thousand, two hundred thirty-seven".