457609 has 2 divisors, whose sum is σ = 457610. Its totient is φ = 457608.

The previous prime is 457607. The next prime is 457621. The reversal of 457609 is 906754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 138384 = 565^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 457609 - 2¹ = 457607 is a prime.

Together with 457607, it forms a pair of twin primes.

It is an Ulam number.

It is a nialpdrome in base 9.

It is not a weakly prime, because it can be changed into another prime (457607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228804 + 228805.

It is an arithmetic number, because the mean of its divisors is an integer number (228805).

2⁴⁵⁷⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

457609 is a deficient number, since it is larger than the sum of its proper divisors (1).

457609 is an equidigital number, since it uses as much as digits as its factorization.

457609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 457609 is about 676.4680332433. The cubic root of 457609 is about 77.0604461554.

The spelling of 457609 in words is "four hundred fifty-seven thousand, six hundred nine".