1046521403 has 4 divisors (see below), whose sum is σ = 1054510248. Its totient is φ = 1038532560.

The previous prime is 1046521393. The next prime is 1046521417. The reversal of 1046521403 is 3041256401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3041256401 = 47 ⋅64707583.

It is a cyclic number.

It is not a de Polignac number, because 1046521403 - 2⁶ = 1046521339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1046521103) 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, 3994226 + ... + 3994487.

It is an arithmetic number, because the mean of its divisors is an integer number (263627562).

Almost surely, 2^1046521403 is an apocalyptic number.

1046521403 is a deficient number, since it is larger than the sum of its proper divisors (7988845).

1046521403 is an equidigital number, since it uses as much as digits as its factorization.

1046521403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7988844.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1046521403 is about 32349.9830448178. The cubic root of 1046521403 is about 1015.2726917425.

Adding to 1046521403 its reverse (3041256401), we get a palindrome (4087777804).

The spelling of 1046521403 in words is "one billion, forty-six million, five hundred twenty-one thousand, four hundred three".