1352632621 has 2 divisors, whose sum is σ = 1352632622. Its totient is φ = 1352632620.

The previous prime is 1352632613. The next prime is 1352632627. The reversal of 1352632621 is 1262362531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825930121 + 526702500 = 28739^2 + 22950^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352632621 - 2³ = 1352632613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1352632627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676316310 + 676316311.

It is an arithmetic number, because the mean of its divisors is an integer number (676316311).

Almost surely, 2^1352632621 is an apocalyptic number.

It is an amenable number.

1352632621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352632621 is an equidigital number, since it uses as much as digits as its factorization.

1352632621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 1352632621 is about 36778.1541271446. The cubic root of 1352632621 is about 1105.9274022655.

The spelling of 1352632621 in words is "one billion, three hundred fifty-two million, six hundred thirty-two thousand, six hundred twenty-one".