1052574644 has 18 divisors (see below), whose sum is σ = 2024684802. Its totient is φ = 478442800.

The previous prime is 1052574617. The next prime is 1052574661. The reversal of 1052574644 is 4464752501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 685392400 + 367182244 = 26180^2 + 19162^2 .

It is a super-2 number, since 2×1052574644² = 2215826762383453472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052574598 and 1052574607.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1086887 + ... + 1087854.

It is an arithmetic number, because the mean of its divisors is an integer number (112482489).

Almost surely, 2^1052574644 is an apocalyptic number.

It is an amenable number.

1052574644 is a deficient number, since it is larger than the sum of its proper divisors (972110158).

1052574644 is a wasteful number, since it uses less digits than its factorization.

1052574644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174767 (or 2174754 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 1052574644 is about 32443.4067878205. The cubic root of 1052574644 is about 1017.2264275476.

It can be divided in two parts, 105257 and 4644, that added together give a palindrome (109901).

The spelling of 1052574644 in words is "one billion, fifty-two million, five hundred seventy-four thousand, six hundred forty-four".