1451745497 has 2 divisors, whose sum is σ = 1451745498. Its totient is φ = 1451745496.

The previous prime is 1451745473. The next prime is 1451745499. The reversal of 1451745497 is 7945471541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1256277136 + 195468361 = 35444^2 + 13981^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451745497 - 2¹⁴ = 1451729113 is a prime.

Together with 1451745499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1451745499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725872748 + 725872749.

It is an arithmetic number, because the mean of its divisors is an integer number (725872749).

Almost surely, 2^1451745497 is an apocalyptic number.

It is an amenable number.

1451745497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451745497 is an equidigital number, since it uses as much as digits as its factorization.

1451745497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 47.

The square root of 1451745497 is about 38101.7781343601. The cubic root of 1451745497 is about 1132.3051846165.

The spelling of 1451745497 in words is "one billion, four hundred fifty-one million, seven hundred forty-five thousand, four hundred ninety-seven".