97553461 has 2 divisors, whose sum is σ = 97553462. Its totient is φ = 97553460.

The previous prime is 97553411. The next prime is 97553479. The reversal of 97553461 is 16435579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83722500 + 13830961 = 9150^2 + 3719^2 .

It is an emirp because it is prime and its reverse (16435579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97553461 - 2¹⁷ = 97422389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97553411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48776730 + 48776731.

It is an arithmetic number, because the mean of its divisors is an integer number (48776731).

Almost surely, 2^97553461 is an apocalyptic number.

It is an amenable number.

97553461 is a deficient number, since it is larger than the sum of its proper divisors (1).

97553461 is an equidigital number, since it uses as much as digits as its factorization.

97553461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 97553461 is about 9876.9155610443. The cubic root of 97553461 is about 460.3423113666.

The spelling of 97553461 in words is "ninety-seven million, five hundred fifty-three thousand, four hundred sixty-one".