523555413 has 8 divisors (see below), whose sum is σ = 700305408. Its totient is φ = 347921184.

The previous prime is 523555411. The next prime is 523555421. The reversal of 523555413 is 314555325.

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 523555413 - 2¹ = 523555411 is a prime.

It is a super-2 number, since 2×523555413² = 548220540963201138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523555411) 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, 277845 + ... + 279722.

It is an arithmetic number, because the mean of its divisors is an integer number (87538176).

Almost surely, 2^523555413 is an apocalyptic number.

It is an amenable number.

523555413 is a deficient number, since it is larger than the sum of its proper divisors (176749995).

523555413 is a wasteful number, since it uses less digits than its factorization.

523555413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557883.

The product of its digits is 45000, while the sum is 33.

The square root of 523555413 is about 22881.3332872016. Note that the first 3 decimals coincide. The cubic root of 523555413 is about 805.9737264822.

The spelling of 523555413 in words is "five hundred twenty-three million, five hundred fifty-five thousand, four hundred thirteen".