1046521369 has 2 divisors, whose sum is σ = 1046521370. Its totient is φ = 1046521368.

The previous prime is 1046521339. The next prime is 1046521373. The reversal of 1046521369 is 9631256401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 678342025 + 368179344 = 26045^2 + 19188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046521369 - 2⁹ = 1046520857 is a prime.

It is a super-2 number, since 2×1046521369² = 2190413951547268322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1046521339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523260684 + 523260685.

It is an arithmetic number, because the mean of its divisors is an integer number (523260685).

Almost surely, 2^1046521369 is an apocalyptic number.

It is an amenable number.

1046521369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046521369 is an equidigital number, since it uses as much as digits as its factorization.

1046521369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1046521369 is about 32349.9825193152. The cubic root of 1046521369 is about 1015.2726807475.

The spelling of 1046521369 in words is "one billion, forty-six million, five hundred twenty-one thousand, three hundred sixty-nine".