245025135 has 16 divisors (see below), whose sum is σ = 435600480. Its totient is φ = 130680000.

The previous prime is 245025127. The next prime is 245025149. The reversal of 245025135 is 531520542.

It is a happy number.

245025135 is a `hidden beast` number, since 24 + 502 + 5 + 135 = 666.

It is not a de Polignac number, because 245025135 - 2³ = 245025127 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 245025099 and 245025108.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 907366 + ... + 907635.

It is an arithmetic number, because the mean of its divisors is an integer number (27225030).

Almost surely, 2^245025135 is an apocalyptic number.

245025135 is a deficient number, since it is larger than the sum of its proper divisors (190575345).

245025135 is a wasteful number, since it uses less digits than its factorization.

245025135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815015 (or 1815009 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 245025135 is about 15653.2787300297. The cubic root of 245025135 is about 625.7538721838.

Adding to 245025135 its reverse (531520542), we get a palindrome (776545677).

The spelling of 245025135 in words is "two hundred forty-five million, twenty-five thousand, one hundred thirty-five".