245231325 has 18 divisors (see below), whose sum is σ = 439236954. Its totient is φ = 130789920.

The previous prime is 245231303. The next prime is 245231339. The reversal of 245231325 is 523132542.

It is a happy number.

245231325 is a `hidden beast` number, since 2 + 4 + 523 + 132 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1028196 + 244203129 = 1014^2 + 15627^2 .

It is not a de Polignac number, because 245231325 - 2¹⁵ = 245198557 is a prime.

It is a super-2 number, since 2×245231325² = 120276805522511250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 544734 + ... + 545183.

It is an arithmetic number, because the mean of its divisors is an integer number (24402053).

Almost surely, 2^245231325 is an apocalyptic number.

245231325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245231325 is a deficient number, since it is larger than the sum of its proper divisors (194005629).

245231325 is a wasteful number, since it uses less digits than its factorization.

245231325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089933 (or 1089925 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 245231325 is about 15659.8635051523. The cubic root of 245231325 is about 625.9293480812.

Adding to 245231325 its reverse (523132542), we get a palindrome (768363867).

The spelling of 245231325 in words is "two hundred forty-five million, two hundred thirty-one thousand, three hundred twenty-five".