262724401 has 2 divisors, whose sum is σ = 262724402. Its totient is φ = 262724400.

The previous prime is 262724359. The next prime is 262724417. The reversal of 262724401 is 104427262.

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., 253573776 + 9150625 = 15924^2 + 3025^2 .

It is a cyclic number.

It is not a de Polignac number, because 262724401 - 2²⁷ = 128506673 is a prime.

It is a super-2 number, since 2×262724401² = 138048221761617602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 262724401.

It is not a weakly prime, because it can be changed into another prime (262724471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131362200 + 131362201.

It is an arithmetic number, because the mean of its divisors is an integer number (131362201).

Almost surely, 2^262724401 is an apocalyptic number.

It is an amenable number.

262724401 is a deficient number, since it is larger than the sum of its proper divisors (1).

262724401 is an equidigital number, since it uses as much as digits as its factorization.

262724401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 262724401 is about 16208.7754318456. The cubic root of 262724401 is about 640.4719833819.

It can be divided in two parts, 2627 and 24401, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 262724401 in words is "two hundred sixty-two million, seven hundred twenty-four thousand, four hundred one".