262513061 has 4 divisors (see below), whose sum is σ = 262782732. Its totient is φ = 262243392.

The previous prime is 262513033. The next prime is 262513067. The reversal of 262513061 is 160315262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160315262 = 2 ⋅80157631.

It can be written as a sum of positive squares in 2 ways, for example, as 117310561 + 145202500 = 10831^2 + 12050^2 .

It is a cyclic number.

It is not a de Polignac number, because 262513061 - 2²⁶ = 195404197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 262513061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262513067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133370 + ... + 135323.

It is an arithmetic number, because the mean of its divisors is an integer number (65695683).

Almost surely, 2^262513061 is an apocalyptic number.

It is an amenable number.

262513061 is a deficient number, since it is larger than the sum of its proper divisors (269671).

262513061 is an equidigital number, since it uses as much as digits as its factorization.

262513061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269670.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 262513061 is about 16202.2548122167. The cubic root of 262513061 is about 640.3002017744.

The spelling of 262513061 in words is "two hundred sixty-two million, five hundred thirteen thousand, sixty-one".