1451125657 has 2 divisors, whose sum is σ = 1451125658. Its totient is φ = 1451125656.

The previous prime is 1451125651. The next prime is 1451125679. The reversal of 1451125657 is 7565211541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1435727881 + 15397776 = 37891^2 + 3924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451125657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451125651) 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, 725562828 + 725562829.

It is an arithmetic number, because the mean of its divisors is an integer number (725562829).

Almost surely, 2^1451125657 is an apocalyptic number.

It is an amenable number.

1451125657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451125657 is an equidigital number, since it uses as much as digits as its factorization.

1451125657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 37.

The square root of 1451125657 is about 38093.6432623607. The cubic root of 1451125657 is about 1132.1440112891.

The spelling of 1451125657 in words is "one billion, four hundred fifty-one million, one hundred twenty-five thousand, six hundred fifty-seven".