97451273 has 4 divisors (see below), whose sum is σ = 97473348. Its totient is φ = 97429200.

The previous prime is 97451267. The next prime is 97451279. The reversal of 97451273 is 37215479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37215479 = 7 ⋅5316497.

It is an interprime number because it is at equal distance from previous prime (97451267) and next prime (97451279).

It can be written as a sum of positive squares in 2 ways, for example, as 67289209 + 30162064 = 8203^2 + 5492^2 .

It is a cyclic number.

It is not a de Polignac number, because 97451273 - 2¹² = 97447177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97451279) 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, 1886 + ... + 14087.

It is an arithmetic number, because the mean of its divisors is an integer number (24368337).

Almost surely, 2^97451273 is an apocalyptic number.

It is an amenable number.

97451273 is a deficient number, since it is larger than the sum of its proper divisors (22075).

97451273 is a wasteful number, since it uses less digits than its factorization.

97451273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22074.

The product of its digits is 52920, while the sum is 38.

The square root of 97451273 is about 9871.7411331538. The cubic root of 97451273 is about 460.1815178399.

The spelling of 97451273 in words is "ninety-seven million, four hundred fifty-one thousand, two hundred seventy-three".