1057288461 has 4 divisors (see below), whose sum is σ = 1409717952. Its totient is φ = 704858972.

The previous prime is 1057288447. The next prime is 1057288481. The reversal of 1057288461 is 1648827501.

1057288461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1057288461 - 2⁷ = 1057288333 is a prime.

It is a super-2 number, since 2×1057288461² = 2235717779527497042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057288481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176214741 + ... + 176214746.

It is an arithmetic number, because the mean of its divisors is an integer number (352429488).

Almost surely, 2^1057288461 is an apocalyptic number.

It is an amenable number.

1057288461 is a deficient number, since it is larger than the sum of its proper divisors (352429491).

1057288461 is an equidigital number, since it uses as much as digits as its factorization.

1057288461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352429490.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 1057288461 is about 32515.9723981922. The cubic root of 1057288461 is about 1018.7426712509.

The spelling of 1057288461 in words is "one billion, fifty-seven million, two hundred eighty-eight thousand, four hundred sixty-one".