658741 has 4 divisors (see below), whose sum is σ = 660672. Its totient is φ = 656812.

The previous prime is 658703. The next prime is 658751. The reversal of 658741 is 147856.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 658741 - 2⁷ = 658613 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

658741 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (658751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301 + ... + 1186.

It is an arithmetic number, because the mean of its divisors is an integer number (165168).

2⁶⁵⁸⁷⁴¹ is an apocalyptic number.

It is an amenable number.

658741 is a deficient number, since it is larger than the sum of its proper divisors (1931).

658741 is a wasteful number, since it uses less digits than its factorization.

658741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930.

The product of its digits is 6720, while the sum is 31.

The square root of 658741 is about 811.6286096485. The cubic root of 658741 is about 87.0104800869.

It can be divided in two parts, 658 and 741, that multiplied together give a triangular number (487578 = T₉₈₇).

The spelling of 658741 in words is "six hundred fifty-eight thousand, seven hundred forty-one".