97456451 has 4 divisors (see below), whose sum is σ = 101693712. Its totient is φ = 93219192.

The previous prime is 97456441. The next prime is 97456477. The reversal of 97456451 is 15465479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15465479 = 317 ⋅48787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97456451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97456399 and 97456408.

It is not an unprimeable number, because it can be changed into a prime (97456421) 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 3 ways as a sum of consecutive naturals, for example, 2118596 + ... + 2118641.

It is an arithmetic number, because the mean of its divisors is an integer number (25423428).

Almost surely, 2^97456451 is an apocalyptic number.

97456451 is a deficient number, since it is larger than the sum of its proper divisors (4237261).

97456451 is a wasteful number, since it uses less digits than its factorization.

97456451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237260.

The product of its digits is 151200, while the sum is 41.

The square root of 97456451 is about 9872.0033934354. The cubic root of 97456451 is about 460.1896681617.

The spelling of 97456451 in words is "ninety-seven million, four hundred fifty-six thousand, four hundred fifty-one".