1055212523 has 4 divisors (see below), whose sum is σ = 1062804120. Its totient is φ = 1047620928.

The previous prime is 1055212517. The next prime is 1055212537. The reversal of 1055212523 is 3252125501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3252125501 = 25367 ⋅128203.

It is a cyclic number.

It is not a de Polignac number, because 1055212523 - 2⁴ = 1055212507 is a prime.

It is a super-2 number, since 2×1055212523² = 2226946937392051058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055212492 and 1055212501.

It is not an unprimeable number, because it can be changed into a prime (1055212553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3795590 + ... + 3795867.

It is an arithmetic number, because the mean of its divisors is an integer number (265701030).

Almost surely, 2^1055212523 is an apocalyptic number.

1055212523 is a deficient number, since it is larger than the sum of its proper divisors (7591597).

1055212523 is an equidigital number, since it uses as much as digits as its factorization.

1055212523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591596.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1055212523 is about 32484.0348940830. The cubic root of 1055212523 is about 1018.0754826994.

The spelling of 1055212523 in words is "one billion, fifty-five million, two hundred twelve thousand, five hundred twenty-three".