245353525 has 6 divisors (see below), whose sum is σ = 304238402. Its totient is φ = 196282800.

The previous prime is 245353523. The next prime is 245353547. The reversal of 245353525 is 525353542.

It can be written as a sum of positive squares in 3 ways, for example, as 305809 + 245047716 = 553^2 + 15654^2 .

It is not a de Polignac number, because 245353525 - 2¹ = 245353523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245353523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4907046 + ... + 4907095.

Almost surely, 2^245353525 is an apocalyptic number.

245353525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245353525 is a deficient number, since it is larger than the sum of its proper divisors (58884877).

245353525 is an equidigital number, since it uses as much as digits as its factorization.

245353525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9814151 (or 9814146 counting only the distinct ones).

The product of its digits is 90000, while the sum is 34.

The square root of 245353525 is about 15663.7647135036. The cubic root of 245353525 is about 626.0332987285.

The spelling of 245353525 in words is "two hundred forty-five million, three hundred fifty-three thousand, five hundred twenty-five".