97274549 has 2 divisors, whose sum is σ = 97274550. Its totient is φ = 97274548.

The previous prime is 97274491. The next prime is 97274579. The reversal of 97274549 is 94547279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90592324 + 6682225 = 9518^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 97274549 - 2⁸ = 97274293 is a prime.

It is a super-3 number, since 3×97274549³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97274579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48637274 + 48637275.

It is an arithmetic number, because the mean of its divisors is an integer number (48637275).

Almost surely, 2^97274549 is an apocalyptic number.

It is an amenable number.

97274549 is a deficient number, since it is larger than the sum of its proper divisors (1).

97274549 is an equidigital number, since it uses as much as digits as its factorization.

97274549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 97274549 is about 9862.7860668272. The cubic root of 97274549 is about 459.9031759035.

The spelling of 97274549 in words is "ninety-seven million, two hundred seventy-four thousand, five hundred forty-nine".