252783 has 6 divisors (see below), whose sum is σ = 365144. Its totient is φ = 168516.
The previous prime is 252779. The next prime is 252817. The reversal of 252783 is 387252.
252783 is nontrivially palindromic in base 2 and base 8.
It is not a de Polignac number, because 252783 - 22 = 252779 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252713) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14035 + ... + 14052.
2252783 is an apocalyptic number.
252783 is a deficient number, since it is larger than the sum of its proper divisors (112361).
252783 is a wasteful number, since it uses less digits than its factorization.
252783 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28093 (or 28090 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 252783 is about 502.7752977226. The cubic root of 252783 is about 63.2289477761.
It can be divided in two parts, 25278 and 3, that added together give a square (25281 = 1592).
The spelling of 252783 in words is "two hundred fifty-two thousand, seven hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •