401452523502451 has 2 divisors, whose sum is σ = 401452523502452. Its totient is φ = 401452523502450.

The previous prime is 401452523502361. The next prime is 401452523502539. The reversal of 401452523502451 is 154205325254104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401452523502451 - 2⁴⁷ = 260715035147123 is a prime.

It is a super-2 number, since 2×401452523502451² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401452523502398 and 401452523502407.

It is not a weakly prime, because it can be changed into another prime (401452523508451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200726261751225 + 200726261751226.

It is an arithmetic number, because the mean of its divisors is an integer number (200726261751226).

Almost surely, 2^{401452523502451} is an apocalyptic number.

401452523502451 is a deficient number, since it is larger than the sum of its proper divisors (1).

401452523502451 is an equidigital number, since it uses as much as digits as its factorization.

401452523502451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 401452523502451 its reverse (154205325254104), we get a palindrome (555657848756555).

The spelling of 401452523502451 in words is "four hundred one trillion, four hundred fifty-two billion, five hundred twenty-three million, five hundred two thousand, four hundred fifty-one".