525040245 has 16 divisors (see below), whose sum is σ = 933405120. Its totient is φ = 280021392.

The previous prime is 525040231. The next prime is 525040259. The reversal of 525040245 is 542040525.

525040245 is a `hidden beast` number, since 5 + 250 + 402 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (525040231) and next prime (525040259).

It is not a de Polignac number, because 525040245 - 2⁹ = 525039733 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944459 + ... + 1944728.

It is an arithmetic number, because the mean of its divisors is an integer number (58337820).

Almost surely, 2^525040245 is an apocalyptic number.

It is an amenable number.

525040245 is a deficient number, since it is larger than the sum of its proper divisors (408364875).

525040245 is a wasteful number, since it uses less digits than its factorization.

525040245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889201 (or 3889195 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 525040245 is about 22913.7566758487. The cubic root of 525040245 is about 806.7349359573.

The spelling of 525040245 in words is "five hundred twenty-five million, forty thousand, two hundred forty-five".