1057415617 has 4 divisors (see below), whose sum is σ = 1063528020. Its totient is φ = 1051303216.

The previous prime is 1057415609. The next prime is 1057415621. The reversal of 1057415617 is 7165147501.

It is a happy number.

1057415617 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 an emirpimes, since its reverse is a distinct semiprime: 7165147501 = 5273 ⋅1358837.

It can be written as a sum of positive squares in 2 ways, for example, as 414488881 + 642926736 = 20359^2 + 25356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057415617 - 2³ = 1057415609 is a prime.

It is a super-2 number, since 2×1057415617² = 2236255574150981378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057415017) 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, 3055942 + ... + 3056287.

It is an arithmetic number, because the mean of its divisors is an integer number (265882005).

Almost surely, 2^1057415617 is an apocalyptic number.

It is an amenable number.

1057415617 is a deficient number, since it is larger than the sum of its proper divisors (6112403).

1057415617 is an equidigital number, since it uses as much as digits as its factorization.

1057415617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112402.

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 1057415617 is about 32517.9276246196. The cubic root of 1057415617 is about 1018.7835096961.

The spelling of 1057415617 in words is "one billion, fifty-seven million, four hundred fifteen thousand, six hundred seventeen".