250007 has 2 divisors, whose sum is σ = 250008. Its totient is φ = 250006.

The previous prime is 249989. The next prime is 250013. The reversal of 250007 is 700052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 250007 - 2^{6} = 249943 is a prime.

It is a junction number, because it is equal to *n*+sod(*n*) for *n* = 249973 and 250000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125003 + 125004.

It is an arithmetic number, because the mean of its divisors is an integer number (125004).

250007 is a Friedman number, since it can be written as 500^(2+0)+7, using all its digits and the basic arithmetic operations.

2^{250007} is an apocalyptic number.

250007 is a deficient number, since it is larger than the sum of its proper divisors (1).

250007 is an equidigital number, since it uses as much as digits as its factorization.

250007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 250007 is about 500.0069999510. The cubic root of 250007 is about 62.9966404524.

The spelling of 250007 in words is "two hundred fifty thousand, seven".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.032 sec. • engine limits •