651713 has 4 divisors (see below), whose sum is σ = 672768. Its totient is φ = 630660.

The previous prime is 651697. The next prime is 651727. The reversal of 651713 is 317156.

651713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 651713 - 2⁴ = 651697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (651733) 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, 10481 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (168192).

2⁶⁵¹⁷¹³ is an apocalyptic number.

It is an amenable number.

651713 is a deficient number, since it is larger than the sum of its proper divisors (21055).

651713 is a wasteful number, since it uses less digits than its factorization.

651713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21054.

The product of its digits is 630, while the sum is 23.

The square root of 651713 is about 807.2874333222. The cubic root of 651713 is about 86.6999395583.

Adding to 651713 its reverse (317156), we get a palindrome (968869).

The spelling of 651713 in words is "six hundred fifty-one thousand, seven hundred thirteen".