245087 has 2 divisors, whose sum is σ = 245088. Its totient is φ = 245086.

The previous prime is 245083. The next prime is 245107. The reversal of 245087 is 780542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245087 - 2² = 245083 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 245087.

It is not a weakly prime, because it can be changed into another prime (245083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122543 + 122544.

It is an arithmetic number, because the mean of its divisors is an integer number (122544).

2²⁴⁵⁰⁸⁷ is an apocalyptic number.

245087 is a deficient number, since it is larger than the sum of its proper divisors (1).

245087 is an equidigital number, since it uses as much as digits as its factorization.

245087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 245087 is about 495.0626223015. The cubic root of 245087 is about 62.5806532095.

The spelling of 245087 in words is "two hundred forty-five thousand, eighty-seven".