97257961 has 8 divisors (see below), whose sum is σ = 102098304. Its totient is φ = 92468640.

The previous prime is 97257947. The next prime is 97258009. The reversal of 97257961 is 16975279.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97257961 - 2¹⁹ = 96733673 is a prime.

It is a super-2 number, since 2×97257961² = 18918221955755042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97257931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8820 + ... + 16501.

It is an arithmetic number, because the mean of its divisors is an integer number (12762288).

Almost surely, 2^97257961 is an apocalyptic number.

It is an amenable number.

97257961 is a deficient number, since it is larger than the sum of its proper divisors (4840343).

97257961 is a wasteful number, since it uses less digits than its factorization.

97257961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25511.

The product of its digits is 238140, while the sum is 46.

The square root of 97257961 is about 9861.9450921205. The cubic root of 97257961 is about 459.8770323485.

The spelling of 97257961 in words is "ninety-seven million, two hundred fifty-seven thousand, nine hundred sixty-one".