662260457 has 2 divisors, whose sum is σ = 662260458. Its totient is φ = 662260456.

The previous prime is 662260399. The next prime is 662260499. The reversal of 662260457 is 754062266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 508773136 + 153487321 = 22556^2 + 12389^2 .

It is a cyclic number.

It is not a de Polignac number, because 662260457 - 2¹⁶ = 662194921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 662260457.

It is not a weakly prime, because it can be changed into another prime (662260757) 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, 331130228 + 331130229.

It is an arithmetic number, because the mean of its divisors is an integer number (331130229).

Almost surely, 2^662260457 is an apocalyptic number.

It is an amenable number.

662260457 is a deficient number, since it is larger than the sum of its proper divisors (1).

662260457 is an equidigital number, since it uses as much as digits as its factorization.

662260457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 662260457 is about 25734.4216371769. The cubic root of 662260457 is about 871.6516196822.

The spelling of 662260457 in words is "six hundred sixty-two million, two hundred sixty thousand, four hundred fifty-seven".