97251493 has 2 divisors, whose sum is σ = 97251494. Its totient is φ = 97251492.

The previous prime is 97251463. The next prime is 97251523. The reversal of 97251493 is 39415279.

It is a balanced prime because it is at equal distance from previous prime (97251463) and next prime (97251523).

It can be written as a sum of positive squares in only one way, i.e., 70862724 + 26388769 = 8418^2 + 5137^2 .

It is an emirp because it is prime and its reverse (39415279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97251493 - 2¹³ = 97243301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97251463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48625746 + 48625747.

It is an arithmetic number, because the mean of its divisors is an integer number (48625747).

Almost surely, 2^97251493 is an apocalyptic number.

It is an amenable number.

97251493 is a deficient number, since it is larger than the sum of its proper divisors (1).

97251493 is an equidigital number, since it uses as much as digits as its factorization.

97251493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 97251493 is about 9861.6171594724. The cubic root of 97251493 is about 459.8668376369.

The spelling of 97251493 in words is "ninety-seven million, two hundred fifty-one thousand, four hundred ninety-three".