1052365257 has 8 divisors (see below), whose sum is σ = 1559059680. Its totient is φ = 701576820.

The previous prime is 1052365231. The next prime is 1052365261. The reversal of 1052365257 is 7525632501.

1052365257 is a `hidden beast` number, since 105 + 23 + 6 + 525 + 7 = 666.

It is not a de Polignac number, because 1052365257 - 2¹⁴ = 1052348873 is a prime.

It is a super-2 number, since 2×1052365257² = 2214945268281352098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052365267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19488219 + ... + 19488272.

It is an arithmetic number, because the mean of its divisors is an integer number (194882460).

Almost surely, 2^1052365257 is an apocalyptic number.

It is an amenable number.

1052365257 is a deficient number, since it is larger than the sum of its proper divisors (506694423).

1052365257 is an equidigital number, since it uses as much as digits as its factorization.

1052365257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38976500 (or 38976494 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 1052365257 is about 32440.1796696627. The cubic root of 1052365257 is about 1017.1589713292.

Adding to 1052365257 its reverse (7525632501), we get a palindrome (8577997758).

The spelling of 1052365257 in words is "one billion, fifty-two million, three hundred sixty-five thousand, two hundred fifty-seven".