245420125 has 16 divisors (see below), whose sum is σ = 306738432. Its totient is φ = 196045200.

The previous prime is 245420111. The next prime is 245420171. The reversal of 245420125 is 521024542.

It is not a de Polignac number, because 245420125 - 2⁷ = 245419997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 245420125.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 131952 + ... + 133798.

It is an arithmetic number, because the mean of its divisors is an integer number (19171152).

Almost surely, 2^245420125 is an apocalyptic number.

245420125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245420125 is a deficient number, since it is larger than the sum of its proper divisors (61318307).

245420125 is a wasteful number, since it uses less digits than its factorization.

245420125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925 (or 2915 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 245420125 is about 15665.8904949575. The cubic root of 245420125 is about 626.0899381508.

Adding to 245420125 its reverse (521024542), we get a palindrome (766444667).

The spelling of 245420125 in words is "two hundred forty-five million, four hundred twenty thousand, one hundred twenty-five".