451525555409 has 2 divisors, whose sum is σ = 451525555410. Its totient is φ = 451525555408.

The previous prime is 451525555339. The next prime is 451525555451. The reversal of 451525555409 is 904555525154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394704345025 + 56821210384 = 628255^2 + 238372^2 .

It is a cyclic number.

It is not a de Polignac number, because 451525555409 - 2³² = 447230588113 is a prime.

It is not a weakly prime, because it can be changed into another prime (451525555109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225762777704 + 225762777705.

It is an arithmetic number, because the mean of its divisors is an integer number (225762777705).

Almost surely, 2^451525555409 is an apocalyptic number.

It is an amenable number.

451525555409 is a deficient number, since it is larger than the sum of its proper divisors (1).

451525555409 is an equidigital number, since it uses as much as digits as its factorization.

451525555409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500000, while the sum is 50.

The spelling of 451525555409 in words is "four hundred fifty-one billion, five hundred twenty-five million, five hundred fifty-five thousand, four hundred nine".