97434553 has 2 divisors, whose sum is σ = 97434554. Its totient is φ = 97434552.

The previous prime is 97434539. The next prime is 97434559. The reversal of 97434553 is 35543479.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67371264 + 30063289 = 8208^2 + 5483^2 .

It is an emirp because it is prime and its reverse (35543479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97434553 - 2⁹ = 97434041 is a prime.

It is not a weakly prime, because it can be changed into another prime (97434559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48717276 + 48717277.

It is an arithmetic number, because the mean of its divisors is an integer number (48717277).

Almost surely, 2^97434553 is an apocalyptic number.

It is an amenable number.

97434553 is a deficient number, since it is larger than the sum of its proper divisors (1).

97434553 is an equidigital number, since it uses as much as digits as its factorization.

97434553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 40.

The square root of 97434553 is about 9870.8942350731. The cubic root of 97434553 is about 460.1551981048.

The spelling of 97434553 in words is "ninety-seven million, four hundred thirty-four thousand, five hundred fifty-three".