455025397 has 2 divisors, whose sum is σ = 455025398. Its totient is φ = 455025396.

The previous prime is 455025391. The next prime is 455025437. The reversal of 455025397 is 793520554.

It is an a-pointer prime, because the next prime (455025437) can be obtained adding 455025397 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254689681 + 200335716 = 15959^2 + 14154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455025397 is a prime.

It is a super-2 number, since 2×455025397² = 414096223830015218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455025391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227512698 + 227512699.

It is an arithmetic number, because the mean of its divisors is an integer number (227512699).

Almost surely, 2^455025397 is an apocalyptic number.

It is an amenable number.

455025397 is a deficient number, since it is larger than the sum of its proper divisors (1).

455025397 is an equidigital number, since it uses as much as digits as its factorization.

455025397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 455025397 is about 21331.3243142567. The cubic root of 455025397 is about 769.1514782910.

The spelling of 455025397 in words is "four hundred fifty-five million, twenty-five thousand, three hundred ninety-seven".