1013546 has 4 divisors (see below), whose sum is σ = 1520322. Its totient is φ = 506772.

The previous prime is 1013533. The next prime is 1013563. The reversal of 1013546 is 6453101.

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

It can be written as a sum of positive squares in only one way, i.e., 801025 + 212521 = 895^2 + 461^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253385 + ... + 253388.

2^1013546 is an apocalyptic number.

1013546 is a deficient number, since it is larger than the sum of its proper divisors (506776).

1013546 is an equidigital number, since it uses as much as digits as its factorization.

1013546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506775.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1013546 is about 1006.7502172833. The cubic root of 1013546 is about 100.4495097159.

Adding to 1013546 its reverse (6453101), we get a palindrome (7466647).

It can be divided in two parts, 10 and 13546, that multiplied together give a triangular number (135460 = T₅₂₀).

The spelling of 1013546 in words is "one million, thirteen thousand, five hundred forty-six".