525072351 has 4 divisors (see below), whose sum is σ = 700096472. Its totient is φ = 350048232.

The previous prime is 525072343. The next prime is 525072371. The reversal of 525072351 is 153270525.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 525072351 - 2³ = 525072343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525072341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87512056 + ... + 87512061.

It is an arithmetic number, because the mean of its divisors is an integer number (175024118).

Almost surely, 2^525072351 is an apocalyptic number.

525072351 is a deficient number, since it is larger than the sum of its proper divisors (175024121).

525072351 is a wasteful number, since it uses less digits than its factorization.

525072351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175024120.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 525072351 is about 22914.4572486454. The cubic root of 525072351 is about 806.7513794612.

The spelling of 525072351 in words is "five hundred twenty-five million, seventy-two thousand, three hundred fifty-one".