97090245 has 80 divisors (see below), whose sum is σ = 207694080. Its totient is φ = 42425856.

The previous prime is 97090241. The next prime is 97090267. The reversal of 97090245 is 54209079.

It is not a de Polignac number, because 97090245 - 2² = 97090241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97090241) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 64461 + ... + 65949.

It is an arithmetic number, because the mean of its divisors is an integer number (2596176).

Almost surely, 2^97090245 is an apocalyptic number.

It is an amenable number.

97090245 is an abundant number, since it is smaller than the sum of its proper divisors (110603835).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97090245 is a wasteful number, since it uses less digits than its factorization.

97090245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 97090245 is about 9853.4382324141. The cubic root of 97090245 is about 459.6125360446.

The spelling of 97090245 in words is "ninety-seven million, ninety thousand, two hundred forty-five".