1451023957 has 2 divisors, whose sum is σ = 1451023958. Its totient is φ = 1451023956.

The previous prime is 1451023927. The next prime is 1451023969. The reversal of 1451023957 is 7593201541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036453636 + 414570321 = 32194^2 + 20361^2 .

It is an emirp because it is prime and its reverse (7593201541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451023957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1451023927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725511978 + 725511979.

It is an arithmetic number, because the mean of its divisors is an integer number (725511979).

Almost surely, 2^1451023957 is an apocalyptic number.

It is an amenable number.

1451023957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451023957 is an equidigital number, since it uses as much as digits as its factorization.

1451023957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1451023957 is about 38092.3083705884. The cubic root of 1451023957 is about 1132.1175624572.

The spelling of 1451023957 in words is "one billion, four hundred fifty-one million, twenty-three thousand, nine hundred fifty-seven".