99551741 has 2 divisors, whose sum is σ = 99551742. Its totient is φ = 99551740.

The previous prime is 99551729. The next prime is 99551743. The reversal of 99551741 is 14715599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51179716 + 48372025 = 7154^2 + 6955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99551741 is a prime.

It is a super-2 number, since 2×99551741² = 19821098272262162, which contains 22 as substring.

Together with 99551743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99551743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49775870 + 49775871.

It is an arithmetic number, because the mean of its divisors is an integer number (49775871).

Almost surely, 2^99551741 is an apocalyptic number.

It is an amenable number.

99551741 is a deficient number, since it is larger than the sum of its proper divisors (1).

99551741 is an equidigital number, since it uses as much as digits as its factorization.

99551741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 41.

The square root of 99551741 is about 9977.5618765308. The cubic root of 99551741 is about 463.4642998244.

The spelling of 99551741 in words is "ninety-nine million, five hundred fifty-one thousand, seven hundred forty-one".