661483 has 2 divisors, whose sum is σ = 661484. Its totient is φ = 661482.

The previous prime is 661481. The next prime is 661513. The reversal of 661483 is 384166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 661483 - 2¹ = 661481 is a prime.

Together with 661481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (661481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330741 + 330742.

It is an arithmetic number, because the mean of its divisors is an integer number (330742).

2⁶⁶¹⁴⁸³ is an apocalyptic number.

661483 is a deficient number, since it is larger than the sum of its proper divisors (1).

661483 is an equidigital number, since it uses as much as digits as its factorization.

661483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 661483 is about 813.3160517290. The cubic root of 661483 is about 87.1310395922.

The spelling of 661483 in words is "six hundred sixty-one thousand, four hundred eighty-three".