97962281 has 4 divisors (see below), whose sum is σ = 97995600. Its totient is φ = 97928964.

The previous prime is 97962251. The next prime is 97962289. The reversal of 97962281 is 18226979.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18226979 = 97 ⋅187907.

It is a cyclic number.

It is not a de Polignac number, because 97962281 - 2¹⁰ = 97961257 is a prime.

It is a super-2 number, since 2×97962281² = 19193216997445922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97962289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11771 + ... + 18288.

It is an arithmetic number, because the mean of its divisors is an integer number (24498900).

Almost surely, 2^97962281 is an apocalyptic number.

It is an amenable number.

97962281 is a deficient number, since it is larger than the sum of its proper divisors (33319).

97962281 is a wasteful number, since it uses less digits than its factorization.

97962281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33318.

The product of its digits is 108864, while the sum is 44.

The square root of 97962281 is about 9897.5896560728. The cubic root of 97962281 is about 460.9844715997.

The spelling of 97962281 in words is "ninety-seven million, nine hundred sixty-two thousand, two hundred eighty-one".