247061 has 4 divisors (see below), whose sum is σ = 261612. Its totient is φ = 232512.

The previous prime is 247031. The next prime is 247067. The reversal of 247061 is 160742.

247061 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.

It can be written as a sum of positive squares in 2 ways, for example, as 168100 + 78961 = 410^2 + 281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247061 is a prime.

It is a super-2 number, since 2×247061² = 122078275442, which contains 22 as substring.

It is a Duffinian number.

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 247061.

It is not an unprimeable number, because it can be changed into a prime (247067) 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, 7250 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (65403).

2²⁴⁷⁰⁶¹ is an apocalyptic number.

It is an amenable number.

247061 is a deficient number, since it is larger than the sum of its proper divisors (14551).

247061 is a wasteful number, since it uses less digits than its factorization.

247061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14550.

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

The square root of 247061 is about 497.0523111303. The cubic root of 247061 is about 62.7482182317.

The spelling of 247061 in words is "two hundred forty-seven thousand, sixty-one".