97111253 has 4 divisors (see below), whose sum is σ = 97166688. Its totient is φ = 97055820.

The previous prime is 97111237. The next prime is 97111277. The reversal of 97111253 is 35211179.

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: 35211179 = 827 ⋅42577.

It is a cyclic number.

It is not a de Polignac number, because 97111253 - 2⁴ = 97111237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97111213) 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, 25001 + ... + 28622.

It is an arithmetic number, because the mean of its divisors is an integer number (24291672).

Almost surely, 2^97111253 is an apocalyptic number.

It is an amenable number.

97111253 is a deficient number, since it is larger than the sum of its proper divisors (55435).

97111253 is a wasteful number, since it uses less digits than its factorization.

97111253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55434.

The product of its digits is 1890, while the sum is 29.

The square root of 97111253 is about 9854.5041985886. The cubic root of 97111253 is about 459.6456833631.

The spelling of 97111253 in words is "ninety-seven million, one hundred eleven thousand, two hundred fifty-three".