451471403 has 2 divisors, whose sum is σ = 451471404. Its totient is φ = 451471402.

The previous prime is 451471387. The next prime is 451471409. The reversal of 451471403 is 304174154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 451471403 - 2⁴ = 451471387 is a prime.

It is not a weakly prime, because it can be changed into another prime (451471409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225735701 + 225735702.

It is an arithmetic number, because the mean of its divisors is an integer number (225735702).

Almost surely, 2^451471403 is an apocalyptic number.

451471403 is a deficient number, since it is larger than the sum of its proper divisors (1).

451471403 is an equidigital number, since it uses as much as digits as its factorization.

451471403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 451471403 is about 21247.8564330617. The cubic root of 451471403 is about 767.1437459320.

The spelling of 451471403 in words is "four hundred fifty-one million, four hundred seventy-one thousand, four hundred three".