1052251199 has 4 divisors (see below), whose sum is σ = 1052566536. Its totient is φ = 1051935864.

The previous prime is 1052251157. The next prime is 1052251223. The reversal of 1052251199 is 9911522501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1052251199 - 2¹² = 1052247103 is a prime.

It is a super-2 number, since 2×1052251199² = 2214465171593875202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052251139) 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 3 ways as a sum of consecutive naturals, for example, 152609 + ... + 159354.

It is an arithmetic number, because the mean of its divisors is an integer number (263141634).

Almost surely, 2^1052251199 is an apocalyptic number.

1052251199 is a deficient number, since it is larger than the sum of its proper divisors (315337).

1052251199 is an equidigital number, since it uses as much as digits as its factorization.

1052251199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315336.

The product of its (nonzero) digits is 8100, while the sum is 35.

The square root of 1052251199 is about 32438.4216477929. The cubic root of 1052251199 is about 1017.1222225836.

The spelling of 1052251199 in words is "one billion, fifty-two million, two hundred fifty-one thousand, one hundred ninety-nine".