97615229 has 2 divisors, whose sum is σ = 97615230. Its totient is φ = 97615228.

The previous prime is 97615223. The next prime is 97615253. The reversal of 97615229 is 92251679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 15984004 = 9035^2 + 3998^2 .

It is a cyclic number.

It is not a de Polignac number, because 97615229 - 2¹² = 97611133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97615223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48807614 + 48807615.

It is an arithmetic number, because the mean of its divisors is an integer number (48807615).

Almost surely, 2^97615229 is an apocalyptic number.

It is an amenable number.

97615229 is a deficient number, since it is larger than the sum of its proper divisors (1).

97615229 is an equidigital number, since it uses as much as digits as its factorization.

97615229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 97615229 is about 9880.0419533522. The cubic root of 97615229 is about 460.4394492998.

The spelling of 97615229 in words is "ninety-seven million, six hundred fifteen thousand, two hundred twenty-nine".