245925125 has 16 divisors (see below), whose sum is σ = 315215472. Its totient is φ = 191419200.

The previous prime is 245925107. The next prime is 245925143. The reversal of 245925125 is 521529542.

It is a Cunningham number, because it is equal to 15682²+1.

It is an interprime number because it is at equal distance from previous prime (245925107) and next prime (245925143).

It can be written as a sum of positive squares in 8 ways, for example, as 25877569 + 220047556 = 5087^2 + 14834^2 .

It is not a de Polignac number, because 245925125 - 2¹⁸ = 245662981 is a prime.

It is a super-3 number, since 3×245925125³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21962 + ... + 31211.

It is an arithmetic number, because the mean of its divisors is an integer number (19700967).

Almost surely, 2^245925125 is an apocalyptic number.

245925125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245925125 is a deficient number, since it is larger than the sum of its proper divisors (69290347).

245925125 is an equidigital number, since it uses as much as digits as its factorization.

245925125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53225 (or 53215 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 245925125 is about 15682.0000318837. Note that the first 4 decimals coincide. The cubic root of 245925125 is about 626.5190781844.

The spelling of 245925125 in words is "two hundred forty-five million, nine hundred twenty-five thousand, one hundred twenty-five".