525123011 has 8 divisors (see below), whose sum is σ = 601480800. Its totient is φ = 449100288.

The previous prime is 525122987. The next prime is 525123037. The reversal of 525123011 is 110321525.

It is a happy number.

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

It is not a de Polignac number, because 525123011 - 2⁶ = 525122947 is a prime.

It is a super-2 number, since 2×525123011² = 551508353363412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525123041) 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, 80396 + ... + 86681.

It is an arithmetic number, because the mean of its divisors is an integer number (75185100).

Almost surely, 2^525123011 is an apocalyptic number.

525123011 is a deficient number, since it is larger than the sum of its proper divisors (76357789).

525123011 is a wasteful number, since it uses less digits than its factorization.

525123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167533.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 525123011 is about 22915.5626376487. The cubic root of 525123011 is about 806.7773242733. Note that the first 3 decimals are identical.

Adding to 525123011 its reverse (110321525), we get a palindrome (635444536).

The spelling of 525123011 in words is "five hundred twenty-five million, one hundred twenty-three thousand, eleven".