98211251 has 2 divisors, whose sum is σ = 98211252. Its totient is φ = 98211250.

The previous prime is 98211241. The next prime is 98211257. The reversal of 98211251 is 15211289.

It is a strong prime.

It is an emirp because it is prime and its reverse (15211289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98211251 - 2⁶ = 98211187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (98211257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49105625 + 49105626.

It is an arithmetic number, because the mean of its divisors is an integer number (49105626).

Almost surely, 2^98211251 is an apocalyptic number.

98211251 is a deficient number, since it is larger than the sum of its proper divisors (1).

98211251 is an equidigital number, since it uses as much as digits as its factorization.

98211251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 29.

The square root of 98211251 is about 9910.1589795522. The cubic root of 98211251 is about 461.3746701190.

The spelling of 98211251 in words is "ninety-eight million, two hundred eleven thousand, two hundred fifty-one".