1054863257 has 8 divisors (see below), whose sum is σ = 1244447232. Its totient is φ = 875001600.

The previous prime is 1054863247. The next prime is 1054863269. The reversal of 1054863257 is 7523684501.

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

It is a cyclic number.

It is not a de Polignac number, because 1054863257 - 2⁴ = 1054863241 is a prime.

It is a super-2 number, since 2×1054863257² = 2225472981937296098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054863217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2430344 + ... + 2430777.

It is an arithmetic number, because the mean of its divisors is an integer number (155555904).

Almost surely, 2^1054863257 is an apocalyptic number.

It is an amenable number.

1054863257 is a deficient number, since it is larger than the sum of its proper divisors (189583975).

1054863257 is an equidigital number, since it uses as much as digits as its factorization.

1054863257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861159.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 1054863257 is about 32478.6584852269. The cubic root of 1054863257 is about 1017.9631456481.

The spelling of 1054863257 in words is "one billion, fifty-four million, eight hundred sixty-three thousand, two hundred fifty-seven".