1051541 has 4 divisors (see below), whose sum is σ = 1054284. Its totient is φ = 1048800.

The previous prime is 1051507. The next prime is 1051543. The reversal of 1051541 is 1451501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 483025 + 568516 = 695^2 + 754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051541 is a prime.

It is a super-2 number, since 2×1051541² = 2211476949362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051543) 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, 680 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (263571).

2^1051541 is an apocalyptic number.

It is an amenable number.

1051541 is a deficient number, since it is larger than the sum of its proper divisors (2743).

1051541 is an equidigital number, since it uses as much as digits as its factorization.

1051541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1051541 is about 1025.4467319174. The cubic root of 1051541 is about 101.6893341317.

The spelling of 1051541 in words is "one million, fifty-one thousand, five hundred forty-one".