520154941 has 4 divisors (see below), whose sum is σ = 526421952. Its totient is φ = 513887932.

The previous prime is 520154939. The next prime is 520154953. The reversal of 520154941 is 149451025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520154941 - 2¹ = 520154939 is a prime.

It is a super-2 number, since 2×520154941² = 541122325293426962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520154911) 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 3 ways as a sum of consecutive naturals, for example, 3133381 + ... + 3133546.

It is an arithmetic number, because the mean of its divisors is an integer number (131605488).

Almost surely, 2^520154941 is an apocalyptic number.

It is an amenable number.

520154941 is a deficient number, since it is larger than the sum of its proper divisors (6267011).

520154941 is an equidigital number, since it uses as much as digits as its factorization.

520154941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267010.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 520154941 is about 22806.9055551164. The cubic root of 520154941 is about 804.2250124108.

The spelling of 520154941 in words is "five hundred twenty million, one hundred fifty-four thousand, nine hundred forty-one".