670485533 has 2 divisors, whose sum is σ = 670485534. Its totient is φ = 670485532.

The previous prime is 670485521. The next prime is 670485553. The reversal of 670485533 is 335584076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482329444 + 188156089 = 21962^2 + 13717^2 .

It is a cyclic number.

It is not a de Polignac number, because 670485533 - 2¹² = 670481437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670485553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335242766 + 335242767.

It is an arithmetic number, because the mean of its divisors is an integer number (335242767).

Almost surely, 2^670485533 is an apocalyptic number.

It is an amenable number.

670485533 is a deficient number, since it is larger than the sum of its proper divisors (1).

670485533 is an equidigital number, since it uses as much as digits as its factorization.

670485533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 670485533 is about 25893.7354006717. The cubic root of 670485533 is about 875.2453333292.

The spelling of 670485533 in words is "six hundred seventy million, four hundred eighty-five thousand, five hundred thirty-three".