525381949 has 8 divisors (see below), whose sum is σ = 539001792. Its totient is φ = 511935840.

The previous prime is 525381947. The next prime is 525381953. The reversal of 525381949 is 949183525.

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

It is a cyclic number.

It is not a de Polignac number, because 525381949 - 2¹ = 525381947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525381899 and 525381908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525381947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37297 + ... + 49414.

It is an arithmetic number, because the mean of its divisors is an integer number (67375224).

Almost surely, 2^525381949 is an apocalyptic number.

It is an amenable number.

525381949 is a deficient number, since it is larger than the sum of its proper divisors (13619843).

525381949 is an equidigital number, since it uses as much as digits as its factorization.

525381949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86867.

The product of its digits is 388800, while the sum is 46.

The square root of 525381949 is about 22921.2117698869. The cubic root of 525381949 is about 806.9099097024.

The spelling of 525381949 in words is "five hundred twenty-five million, three hundred eighty-one thousand, nine hundred forty-nine".