262213249 has 3 divisors (see below), whose sum is σ = 262229443. Its totient is φ = 262197056.

The previous prime is 262213247. The next prime is 262213267. The reversal of 262213249 is 942312262.

The square root of 262213249 is 16193.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 258084225 + 4129024 = 16065^2 + 2032^2 .

It is not a de Polignac number, because 262213249 - 2¹ = 262213247 is a prime.

It is a super-2 number, since 2×262213249² = 137511575902272002, which contains 22 as substring.

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 262213249.

It is not an unprimeable number, because it can be changed into a prime (262213247) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8097 + ... + 24289.

Almost surely, 2^262213249 is an apocalyptic number.

262213249 is the 16193-rd square number.

262213249 is the 8097-th centered octagonal number.

It is an amenable number.

262213249 is a deficient number, since it is larger than the sum of its proper divisors (16194).

262213249 is an frugal number, since it uses more digits than its factorization.

262213249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32386 (or 16193 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The cubic root of 262213249 is about 640.0563500189.

The spelling of 262213249 in words is "two hundred sixty-two million, two hundred thirteen thousand, two hundred forty-nine".