1332652621 has 2 divisors, whose sum is σ = 1332652622. Its totient is φ = 1332652620.

The previous prime is 1332652613. The next prime is 1332652667. The reversal of 1332652621 is 1262562331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766736100 + 565916521 = 27690^2 + 23789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332652621 - 2³ = 1332652613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332652691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666326310 + 666326311.

It is an arithmetic number, because the mean of its divisors is an integer number (666326311).

Almost surely, 2^1332652621 is an apocalyptic number.

It is an amenable number.

1332652621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332652621 is an equidigital number, since it uses as much as digits as its factorization.

1332652621 is an evil number, because the sum of its binary digits is even.

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

The square root of 1332652621 is about 36505.5149395266. The cubic root of 1332652621 is about 1100.4550791971.

The spelling of 1332652621 in words is "one billion, three hundred thirty-two million, six hundred fifty-two thousand, six hundred twenty-one".