97913 has 4 divisors (see below), whose sum is σ = 98640. Its totient is φ = 97188.
The previous prime is 97883. The next prime is 97919. The reversal of 97913 is 31979.
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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31979 = 113 ⋅283.
It is a cyclic number.
It is not a de Polignac number, because 97913 - 26 = 97849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (97919) 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, 95 + ... + 452.
It is an arithmetic number, because the mean of its divisors is an integer number (24660).
297913 is an apocalyptic number.
It is an amenable number.
97913 is a deficient number, since it is larger than the sum of its proper divisors (727).
97913 is a wasteful number, since it uses less digits than its factorization.
97913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 726.
The product of its digits is 1701, while the sum is 29.
The square root of 97913 is about 312.9105303437. The cubic root of 97913 is about 46.0907157535.
It can be divided in two parts, 9 and 7913, that multiplied together give a palindrome (71217).
The spelling of 97913 in words is "ninety-seven thousand, nine hundred thirteen".
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