89347451 has 2 divisors, whose sum is σ = 89347452. Its totient is φ = 89347450.

The previous prime is 89347411. The next prime is 89347457. The reversal of 89347451 is 15474398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89347451 - 2²² = 85153147 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 89347399 and 89347408.

It is not a weakly prime, because it can be changed into another prime (89347457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44673725 + 44673726.

It is an arithmetic number, because the mean of its divisors is an integer number (44673726).

Almost surely, 2^89347451 is an apocalyptic number.

89347451 is a deficient number, since it is larger than the sum of its proper divisors (1).

89347451 is an equidigital number, since it uses as much as digits as its factorization.

89347451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 89347451 is about 9452.3780605729. The cubic root of 89347451 is about 447.0547589261.

It can be divided in two parts, 89347 and 451, that added together give a palindrome (89798).

The spelling of 89347451 in words is "eighty-nine million, three hundred forty-seven thousand, four hundred fifty-one".