525156490 has 8 divisors (see below), whose sum is σ = 945281700. Its totient is φ = 210062592.

The previous prime is 525156479. The next prime is 525156491. The reversal of 525156490 is 94651525.

525156490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 516971169 + 8185321 = 22737^2 + 2861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (525156491) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26257815 + ... + 26257834.

Almost surely, 2^525156490 is an apocalyptic number.

525156490 is a deficient number, since it is larger than the sum of its proper divisors (420125210).

525156490 is a wasteful number, since it uses less digits than its factorization.

525156490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52515656.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 525156490 is about 22916.2931121069. The cubic root of 525156490 is about 806.7944691603.

The spelling of 525156490 in words is "five hundred twenty-five million, one hundred fifty-six thousand, four hundred ninety".