1046521631 has 2 divisors, whose sum is σ = 1046521632. Its totient is φ = 1046521630.

The previous prime is 1046521627. The next prime is 1046521669. The reversal of 1046521631 is 1361256401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1046521631 - 2² = 1046521627 is a prime.

It is a super-2 number, since 2×1046521631² = 2190415048301800322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1046521594 and 1046521603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046521601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523260815 + 523260816.

It is an arithmetic number, because the mean of its divisors is an integer number (523260816).

Almost surely, 2^1046521631 is an apocalyptic number.

1046521631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046521631 is an equidigital number, since it uses as much as digits as its factorization.

1046521631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1046521631 is about 32349.9865687762. The cubic root of 1046521631 is about 1015.2727654731.

The spelling of 1046521631 in words is "one billion, forty-six million, five hundred twenty-one thousand, six hundred thirty-one".