1055025513 has 8 divisors (see below), whose sum is σ = 1563000800. Its totient is φ = 703350324.

The previous prime is 1055025467. The next prime is 1055025527. The reversal of 1055025513 is 3155205501.

1055025513 is a `hidden beast` number, since 105 + 5 + 0 + 2 + 551 + 3 = 666.

It is not a de Polignac number, because 1055025513 - 2⁹ = 1055025001 is a prime.

It is a super-2 number, since 2×1055025513² = 2226157666161826338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 39075019 = 1055025513 / (1 + 0 + 5 + 5 + 0 + 2 + 5 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055025563) 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 7 ways as a sum of consecutive naturals, for example, 19537483 + ... + 19537536.

It is an arithmetic number, because the mean of its divisors is an integer number (195375100).

Almost surely, 2^1055025513 is an apocalyptic number.

It is an amenable number.

1055025513 is a deficient number, since it is larger than the sum of its proper divisors (507975287).

1055025513 is an equidigital number, since it uses as much as digits as its factorization.

1055025513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39075028 (or 39075022 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1055025513 is about 32481.1562756008. The cubic root of 1055025513 is about 1018.0153363497.

It can be divided in two parts, 10550 and 25513, that added together give a palindrome (36063).

The spelling of 1055025513 in words is "one billion, fifty-five million, twenty-five thousand, five hundred thirteen".