1054415257 has 4 divisors (see below), whose sum is σ = 1205046016. Its totient is φ = 903784500.

The previous prime is 1054415239. The next prime is 1054415269. The reversal of 1054415257 is 7525144501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1054415257 - 2²⁷ = 920197529 is a prime.

It is a super-2 number, since 2×1054415257² = 2223583068388752098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054415207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75315369 + ... + 75315382.

It is an arithmetic number, because the mean of its divisors is an integer number (301261504).

Almost surely, 2^1054415257 is an apocalyptic number.

It is an amenable number.

1054415257 is a deficient number, since it is larger than the sum of its proper divisors (150630759).

1054415257 is an equidigital number, since it uses as much as digits as its factorization.

1054415257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150630758.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 1054415257 is about 32471.7609162176. The cubic root of 1054415257 is about 1017.8190157297.

Adding to 1054415257 its reverse (7525144501), we get a palindrome (8579559758).

The spelling of 1054415257 in words is "one billion, fifty-four million, four hundred fifteen thousand, two hundred fifty-seven".