99952261 has 2 divisors, whose sum is σ = 99952262. Its totient is φ = 99952260.

The previous prime is 99952249. The next prime is 99952267. The reversal of 99952261 is 16225999.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90916225 + 9036036 = 9535^2 + 3006^2 .

It is an emirp because it is prime and its reverse (16225999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99952261 - 2¹³ = 99944069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99952267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49976130 + 49976131.

It is an arithmetic number, because the mean of its divisors is an integer number (49976131).

Almost surely, 2^99952261 is an apocalyptic number.

It is an amenable number.

99952261 is a deficient number, since it is larger than the sum of its proper divisors (1).

99952261 is an equidigital number, since it uses as much as digits as its factorization.

99952261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 43.

The square root of 99952261 is about 9997.6127650555. The cubic root of 99952261 is about 464.0850100015.

The spelling of 99952261 in words is "ninety-nine million, nine hundred fifty-two thousand, two hundred sixty-one".