52098649 has 2 divisors, whose sum is σ = 52098650. Its totient is φ = 52098648.

The previous prime is 52098647. The next prime is 52098653. The reversal of 52098649 is 94689025.

52098649 is nontrivially palindromic in base 15.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51912025 + 186624 = 7205^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 52098649 - 2¹ = 52098647 is a prime.

Together with 52098647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52098647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26049324 + 26049325.

It is an arithmetic number, because the mean of its divisors is an integer number (26049325).

Almost surely, 2^52098649 is an apocalyptic number.

It is an amenable number.

52098649 is a deficient number, since it is larger than the sum of its proper divisors (1).

52098649 is an equidigital number, since it uses as much as digits as its factorization.

52098649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 52098649 is about 7217.9393873875. The cubic root of 52098649 is about 373.4869976663.

The spelling of 52098649 in words is "fifty-two million, ninety-eight thousand, six hundred forty-nine".