526142261 has 8 divisors (see below), whose sum is σ = 544737024. Its totient is φ = 507648960.

The previous prime is 526142251. The next prime is 526142293. The reversal of 526142261 is 162241625.

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 526142261 - 2¹⁰ = 526141237 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 (526142251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14735 + ... + 35628.

It is an arithmetic number, because the mean of its divisors is an integer number (68092128).

Almost surely, 2^526142261 is an apocalyptic number.

It is an amenable number.

526142261 is a deficient number, since it is larger than the sum of its proper divisors (18594763).

526142261 is a wasteful number, since it uses less digits than its factorization.

526142261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50731.

The product of its digits is 5760, while the sum is 29.

The square root of 526142261 is about 22937.7911098693. The cubic root of 526142261 is about 807.2989648017.

Adding to 526142261 its reverse (162241625), we get a palindrome (688383886).

The spelling of 526142261 in words is "five hundred twenty-six million, one hundred forty-two thousand, two hundred sixty-one".