715641 has 4 divisors (see below), whose sum is σ = 954192. Its totient is φ = 477092.

The previous prime is 715639. The next prime is 715643. The reversal of 715641 is 146517.

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 an interprime number because it is at equal distance from previous prime (715639) and next prime (715643).

It is a cyclic number.

It is not a de Polignac number, because 715641 - 2¹ = 715639 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (715643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119271 + ... + 119276.

It is an arithmetic number, because the mean of its divisors is an integer number (238548).

2⁷¹⁵⁶⁴¹ is an apocalyptic number.

It is an amenable number.

715641 is a deficient number, since it is larger than the sum of its proper divisors (238551).

715641 is a wasteful number, since it uses less digits than its factorization.

715641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238550.

The product of its digits is 840, while the sum is 24.

The square root of 715641 is about 845.9556725976. The cubic root of 715641 is about 89.4468542088.

The spelling of 715641 in words is "seven hundred fifteen thousand, six hundred forty-one".