525250361 has 4 divisors (see below), whose sum is σ = 525417552. Its totient is φ = 525083172.

The previous prime is 525250339. The next prime is 525250367. The reversal of 525250361 is 163052525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525250361 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525250367) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 78791 + ... + 85196.

It is an arithmetic number, because the mean of its divisors is an integer number (131354388).

Almost surely, 2^525250361 is an apocalyptic number.

It is an amenable number.

525250361 is a deficient number, since it is larger than the sum of its proper divisors (167191).

525250361 is a wasteful number, since it uses less digits than its factorization.

525250361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167190.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 525250361 is about 22918.3411485212. The cubic root of 525250361 is about 806.8425374301.

The spelling of 525250361 in words is "five hundred twenty-five million, two hundred fifty thousand, three hundred sixty-one".