534400013 has 4 divisors (see below), whose sum is σ = 610742880. Its totient is φ = 458057148.

The previous prime is 534399977. The next prime is 534400021. The reversal of 534400013 is 310004435.

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 534400013 - 2¹⁰ = 534398989 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 (534400033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38171423 + ... + 38171436.

It is an arithmetic number, because the mean of its divisors is an integer number (152685720).

Almost surely, 2^534400013 is an apocalyptic number.

It is an amenable number.

534400013 is a deficient number, since it is larger than the sum of its proper divisors (76342867).

534400013 is an equidigital number, since it uses as much as digits as its factorization.

534400013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76342866.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 534400013 is about 23117.0935240570. The cubic root of 534400013 is about 811.5005528073.

Adding to 534400013 its reverse (310004435), we get a palindrome (844404448).

The spelling of 534400013 in words is "five hundred thirty-four million, four hundred thousand, thirteen".