1457622097 has 2 divisors, whose sum is σ = 1457622098. Its totient is φ = 1457622096.

The previous prime is 1457622091. The next prime is 1457622149. The reversal of 1457622097 is 7902267541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750540816 + 707081281 = 27396^2 + 26591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1457622097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1457622091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728811048 + 728811049.

It is an arithmetic number, because the mean of its divisors is an integer number (728811049).

Almost surely, 2^1457622097 is an apocalyptic number.

It is an amenable number.

1457622097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457622097 is an equidigital number, since it uses as much as digits as its factorization.

1457622097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 1457622097 is about 38178.8173860847. The cubic root of 1457622097 is about 1133.8309677270.

The spelling of 1457622097 in words is "one billion, four hundred fifty-seven million, six hundred twenty-two thousand, ninety-seven".