1056430546 has 4 divisors (see below), whose sum is σ = 1584645822. Its totient is φ = 528215272.

The previous prime is 1056430537. The next prime is 1056430553. The reversal of 1056430546 is 6450346501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6450346501 = 359 ⋅17967539.

It can be written as a sum of positive squares in only one way, i.e., 1055925025 + 505521 = 32495^2 + 711^2 .

It is a super-2 number, since 2×1056430546² = 2232090997043716232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264107635 + ... + 264107638.

Almost surely, 2^1056430546 is an apocalyptic number.

1056430546 is a deficient number, since it is larger than the sum of its proper divisors (528215276).

1056430546 is an equidigital number, since it uses as much as digits as its factorization.

1056430546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528215275.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1056430546 is about 32502.7775120835. Note that the first 3 decimals coincide. The cubic root of 1056430546 is about 1018.4670507517.

The spelling of 1056430546 in words is "one billion, fifty-six million, four hundred thirty thousand, five hundred forty-six".