98752981 has 2 divisors, whose sum is σ = 98752982. Its totient is φ = 98752980.

The previous prime is 98752957. The next prime is 98752987. The reversal of 98752981 is 18925789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95746225 + 3006756 = 9785^2 + 1734^2 .

It is an emirp because it is prime and its reverse (18925789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98752981 - 2¹¹ = 98750933 is a prime.

It is a super-2 number, since 2×98752981² = 19504302512772722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98752987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49376490 + 49376491.

It is an arithmetic number, because the mean of its divisors is an integer number (49376491).

Almost surely, 2^98752981 is an apocalyptic number.

It is an amenable number.

98752981 is a deficient number, since it is larger than the sum of its proper divisors (1).

98752981 is an equidigital number, since it uses as much as digits as its factorization.

98752981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 49.

The square root of 98752981 is about 9937.4534464318. The cubic root of 98752981 is about 462.2214242539.

The spelling of 98752981 in words is "ninety-eight million, seven hundred fifty-two thousand, nine hundred eighty-one".