610247 has 8 divisors (see below), whose sum is σ = 689040. Its totient is φ = 535360.

The previous prime is 610243. The next prime is 610271. The reversal of 610247 is 742016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 610247 - 2² = 610243 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 610247.

It is not an unprimeable number, because it can be changed into a prime (610243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (86130).

2⁶¹⁰²⁴⁷ is an apocalyptic number.

610247 is the 638-th pentagonal number.

610247 is a deficient number, since it is larger than the sum of its proper divisors (78793).

610247 is a wasteful number, since it uses less digits than its factorization.

610247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 610247 is about 781.1830771337. The cubic root of 610247 is about 84.8207062732.

Subtracting 610247 from its reverse (742016), we obtain a square (131769 = 363²).

The spelling of 610247 in words is "six hundred ten thousand, two hundred forty-seven".