97053381 has 6 divisors (see below), whose sum is σ = 140188230. Its totient is φ = 64702248.

The previous prime is 97053377. The next prime is 97053413. The reversal of 97053381 is 18335079.

It can be written as a sum of positive squares in only one way, i.e., 82192356 + 14861025 = 9066^2 + 3855^2 .

It is not a de Polignac number, because 97053381 - 2² = 97053377 is a prime.

It is a super-2 number, since 2×97053381² = 18838717527062322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97053361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5391846 + ... + 5391863.

It is an arithmetic number, because the mean of its divisors is an integer number (23364705).

Almost surely, 2^97053381 is an apocalyptic number.

It is an amenable number.

97053381 is a deficient number, since it is larger than the sum of its proper divisors (43134849).

97053381 is a wasteful number, since it uses less digits than its factorization.

97053381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10783715 (or 10783712 counting only the distinct ones).

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

The square root of 97053381 is about 9851.5674387379. The cubic root of 97053381 is about 459.5543588942.

The spelling of 97053381 in words is "ninety-seven million, fifty-three thousand, three hundred eighty-one".