451512071 has 2 divisors, whose sum is σ = 451512072. Its totient is φ = 451512070.

The previous prime is 451512053. The next prime is 451512101. The reversal of 451512071 is 170215154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451512071 - 2⁶ = 451512007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 451512071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451512871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225756035 + 225756036.

It is an arithmetic number, because the mean of its divisors is an integer number (225756036).

Almost surely, 2^451512071 is an apocalyptic number.

451512071 is a deficient number, since it is larger than the sum of its proper divisors (1).

451512071 is an equidigital number, since it uses as much as digits as its factorization.

451512071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 451512071 is about 21248.8134021644. The cubic root of 451512071 is about 767.1667797018.

The spelling of 451512071 in words is "four hundred fifty-one million, five hundred twelve thousand, seventy-one".