8155451 has 2 divisors, whose sum is σ = 8155452. Its totient is φ = 8155450.

The previous prime is 8155421. The next prime is 8155453. The reversal of 8155451 is 1545518.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8155451 - 2¹⁰ = 8154427 is a prime.

It is a super-2 number, since 2×8155451² = 133022762026802, which contains 22 as substring.

Together with 8155453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8155453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4077725 + 4077726.

It is an arithmetic number, because the mean of its divisors is an integer number (4077726).

Almost surely, 2^8155451 is an apocalyptic number.

8155451 is a deficient number, since it is larger than the sum of its proper divisors (1).

8155451 is an equidigital number, since it uses as much as digits as its factorization.

8155451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000, while the sum is 29.

The square root of 8155451 is about 2855.7750261531. The cubic root of 8155451 is about 201.2871237920.

The spelling of 8155451 in words is "eight million, one hundred fifty-five thousand, four hundred fifty-one".