99541537 has 2 divisors, whose sum is σ = 99541538. Its totient is φ = 99541536.

The previous prime is 99541523. The next prime is 99541549. The reversal of 99541537 is 73514599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51710481 + 47831056 = 7191^2 + 6916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99541537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99541493 and 99541502.

It is not a weakly prime, because it can be changed into another prime (99541577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49770768 + 49770769.

It is an arithmetic number, because the mean of its divisors is an integer number (49770769).

Almost surely, 2^99541537 is an apocalyptic number.

It is an amenable number.

99541537 is a deficient number, since it is larger than the sum of its proper divisors (1).

99541537 is an equidigital number, since it uses as much as digits as its factorization.

99541537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 43.

The square root of 99541537 is about 9977.0505160593. The cubic root of 99541537 is about 463.4484643360.

The spelling of 99541537 in words is "ninety-nine million, five hundred forty-one thousand, five hundred thirty-seven".