520215141 has 8 divisors (see below), whose sum is σ = 696125344. Its totient is φ = 345557520.

The previous prime is 520215133. The next prime is 520215149. The reversal of 520215141 is 141512025.

It is an interprime number because it is at equal distance from previous prime (520215133) and next prime (520215149).

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

It is not a de Polignac number, because 520215141 - 2³ = 520215133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520215149) 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, 312175 + ... + 313836.

It is an arithmetic number, because the mean of its divisors is an integer number (87015668).

Almost surely, 2^520215141 is an apocalyptic number.

It is an amenable number.

520215141 is a deficient number, since it is larger than the sum of its proper divisors (175910203).

520215141 is a wasteful number, since it uses less digits than its factorization.

520215141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626291.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 520215141 is about 22808.2252926439. The cubic root of 520215141 is about 804.2560368065.

Adding to 520215141 its reverse (141512025), we get a palindrome (661727166).

The spelling of 520215141 in words is "five hundred twenty million, two hundred fifteen thousand, one hundred forty-one".