1053454657 has 8 divisors (see below), whose sum is σ = 1117435176. Its totient is φ = 989697792.

The previous prime is 1053454643. The next prime is 1053454673. The reversal of 1053454657 is 7564543501.

1053454657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 180606721 + 872847936 = 13439^2 + 29544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053454657 is a prime.

It is a super-2 number, since 2×1053454657² = 2219533428709975298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053454627) 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, 46158 + ... + 65095.

It is an arithmetic number, because the mean of its divisors is an integer number (139679397).

Almost surely, 2^1053454657 is an apocalyptic number.

1053454657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1053454657 is a deficient number, since it is larger than the sum of its proper divisors (63980519).

1053454657 is a wasteful number, since it uses less digits than its factorization.

1053454657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111827.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 1053454657 is about 32456.9662322282. The cubic root of 1053454657 is about 1017.5098351992.

The spelling of 1053454657 in words is "one billion, fifty-three million, four hundred fifty-four thousand, six hundred fifty-seven".