262501 has 2 divisors, whose sum is σ = 262502. Its totient is φ = 262500.

The previous prime is 262489. The next prime is 262511. The reversal of 262501 is 105262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260100 + 2401 = 510^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 262501 - 2⁵ = 262469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (262511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131250 + 131251.

It is an arithmetic number, because the mean of its divisors is an integer number (131251).

2²⁶²⁵⁰¹ is an apocalyptic number.

It is an amenable number.

262501 is a deficient number, since it is larger than the sum of its proper divisors (1).

262501 is an equidigital number, since it uses as much as digits as its factorization.

262501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 262501 is about 512.3485141971. The cubic root of 262501 is about 64.0290395559.

Adding to 262501 its reverse (105262), we get a palindrome (367763).

The spelling of 262501 in words is "two hundred sixty-two thousand, five hundred one".