1057892461 has 4 divisors (see below), whose sum is σ = 1062107424. Its totient is φ = 1053677500.

The previous prime is 1057892447. The next prime is 1057892471. The reversal of 1057892461 is 1642987501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1642987501 = 757 ⋅2170393.

It is a cyclic number.

It is not a de Polignac number, because 1057892461 - 2⁷ = 1057892333 is a prime.

It is a super-2 number, since 2×1057892461² = 2238272918081273042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057892411) 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, 2107105 + ... + 2107606.

It is an arithmetic number, because the mean of its divisors is an integer number (265526856).

Almost surely, 2^1057892461 is an apocalyptic number.

It is an amenable number.

1057892461 is a deficient number, since it is larger than the sum of its proper divisors (4214963).

1057892461 is an equidigital number, since it uses as much as digits as its factorization.

1057892461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214962.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1057892461 is about 32525.2588152654. The cubic root of 1057892461 is about 1018.9366276029.

The spelling of 1057892461 in words is "one billion, fifty-seven million, eight hundred ninety-two thousand, four hundred sixty-one".