1052491 has 8 divisors (see below), whose sum is σ = 1157184. Its totient is φ = 949320.

The previous prime is 1052489. The next prime is 1052531. The reversal of 1052491 is 1942501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1052491 - 2¹ = 1052489 is a prime.

It is a super-2 number, since 2×1052491² = 2215474610162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052431) 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, 1500 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (144648).

2^1052491 is an apocalyptic number.

1052491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1052491 is a deficient number, since it is larger than the sum of its proper divisors (104693).

1052491 is a wasteful number, since it uses less digits than its factorization.

1052491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1052491 is about 1025.9098400932. The cubic root of 1052491 is about 101.7199481829.

Adding to 1052491 its reverse (1942501), we get a palindrome (2994992).

The spelling of 1052491 in words is "one million, fifty-two thousand, four hundred ninety-one".