97552121 has 2 divisors, whose sum is σ = 97552122. Its totient is φ = 97552120.

The previous prime is 97552111. The next prime is 97552127. The reversal of 97552121 is 12125579.

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., 73188025 + 24364096 = 8555^2 + 4936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97552121 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97552127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48776060 + 48776061.

It is an arithmetic number, because the mean of its divisors is an integer number (48776061).

Almost surely, 2^97552121 is an apocalyptic number.

It is an amenable number.

97552121 is a deficient number, since it is larger than the sum of its proper divisors (1).

97552121 is an equidigital number, since it uses as much as digits as its factorization.

97552121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 32.

The square root of 97552121 is about 9876.8477258688. The cubic root of 97552121 is about 460.3402035941.

The spelling of 97552121 in words is "ninety-seven million, five hundred fifty-two thousand, one hundred twenty-one".