1052251 has 4 divisors (see below), whose sum is σ = 1054312. Its totient is φ = 1050192.

The previous prime is 1052237. The next prime is 1052269. The reversal of 1052251 is 1522501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1522501 = 43 ⋅35407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052251 is a prime.

It is a super-2 number, since 2×1052251² = 2214464334002, which contains 22 as substring.

It is a Duffinian number.

1052251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1052221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376 + ... + 1498.

It is an arithmetic number, because the mean of its divisors is an integer number (263578).

2^1052251 is an apocalyptic number.

1052251 is a deficient number, since it is larger than the sum of its proper divisors (2061).

1052251 is an equidigital number, since it uses as much as digits as its factorization.

1052251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1052251 is about 1025.7928640812. The cubic root of 1052251 is about 101.7122158465.

Adding to 1052251 its reverse (1522501), we get a palindrome (2574752).

The spelling of 1052251 in words is "one million, fifty-two thousand, two hundred fifty-one".