525434013 has 24 divisors (see below), whose sum is σ = 842912640. Its totient is φ = 323341200.

The previous prime is 525433991. The next prime is 525434023. The reversal of 525434013 is 310434525.

525434013 is a `hidden beast` number, since 5 + 254 + 3 + 401 + 3 = 666.

It is not a de Polignac number, because 525434013 - 2¹⁰ = 525432989 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 not an unprimeable number, because it can be changed into a prime (525434023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53013 + ... + 62138.

It is an arithmetic number, because the mean of its divisors is an integer number (35121360).

Almost surely, 2^525434013 is an apocalyptic number.

It is an amenable number.

525434013 is a deficient number, since it is larger than the sum of its proper divisors (317478627).

525434013 is a wasteful number, since it uses less digits than its factorization.

525434013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115186 (or 115167 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 525434013 is about 22922.3474583211. The cubic root of 525434013 is about 806.9365630543.

Adding to 525434013 its reverse (310434525), we get a palindrome (835868538).

The spelling of 525434013 in words is "five hundred twenty-five million, four hundred thirty-four thousand, thirteen".