262231425 has 30 divisors (see below), whose sum is σ = 485746998. Its totient is φ = 139855680.

The previous prime is 262231393. The next prime is 262231447. The reversal of 262231425 is 524132262.

It is a happy number.

262231425 is a `hidden beast` number, since 2 + 6 + 2 + 231 + 425 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 82944 + 262148481 = 288^2 + 16191^2 .

It is not a de Polignac number, because 262231425 - 2⁵ = 262231393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 62724 + ... + 66773.

Almost surely, 2^262231425 is an apocalyptic number.

262231425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

262231425 is a deficient number, since it is larger than the sum of its proper divisors (223515573).

262231425 is a wasteful number, since it uses less digits than its factorization.

262231425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129519 (or 129505 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 262231425 is about 16193.5612204357. The cubic root of 262231425 is about 640.0711387395.

Adding to 262231425 its reverse (524132262), we get a palindrome (786363687).

The spelling of 262231425 in words is "two hundred sixty-two million, two hundred thirty-one thousand, four hundred twenty-five".