1457357697 has 8 divisors (see below), whose sum is σ = 2159048480. Its totient is φ = 971571780.

The previous prime is 1457357689. The next prime is 1457357711. The reversal of 1457357697 is 7967537541.

1457357697 is a `hidden beast` number, since 1 + 4 + 573 + 5 + 7 + 69 + 7 = 666.

It is not a de Polignac number, because 1457357697 - 2³ = 1457357689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457357617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26988079 + ... + 26988132.

It is an arithmetic number, because the mean of its divisors is an integer number (269881060).

Almost surely, 2^1457357697 is an apocalyptic number.

It is an amenable number.

1457357697 is a deficient number, since it is larger than the sum of its proper divisors (701690783).

1457357697 is an equidigital number, since it uses as much as digits as its factorization.

1457357697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53976220 (or 53976214 counting only the distinct ones).

The product of its digits is 5556600, while the sum is 54.

The square root of 1457357697 is about 38175.3545759565. The cubic root of 1457357697 is about 1133.7624078819.

The spelling of 1457357697 in words is "one billion, four hundred fifty-seven million, three hundred fifty-seven thousand, six hundred ninety-seven".