1451276997 has 16 divisors (see below), whose sum is σ = 1999177728. Its totient is φ = 935501040.

The previous prime is 1451276989. The next prime is 1451276999. The reversal of 1451276997 is 7996721541.

It is not a de Polignac number, because 1451276997 - 2³ = 1451276989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451276999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113238 + ... + 125400.

It is an arithmetic number, because the mean of its divisors is an integer number (124948608).

Almost surely, 2^1451276997 is an apocalyptic number.

It is an amenable number.

1451276997 is a deficient number, since it is larger than the sum of its proper divisors (547900731).

1451276997 is a wasteful number, since it uses less digits than its factorization.

1451276997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13480.

The product of its digits is 952560, while the sum is 51.

The square root of 1451276997 is about 38095.6296312320. The cubic root of 1451276997 is about 1132.1833675681.

The spelling of 1451276997 in words is "one billion, four hundred fifty-one million, two hundred seventy-six thousand, nine hundred ninety-seven".