534425561 has 4 divisors (see below), whose sum is σ = 535821312. Its totient is φ = 533029812.

The previous prime is 534425557. The next prime is 534425603. The reversal of 534425561 is 165524435.

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, and also an emirpimes, since its reverse is a distinct semiprime: 165524435 = 5 ⋅33104887.

It is a cyclic number.

It is not a de Polignac number, because 534425561 - 2² = 534425557 is a prime.

It is a super-2 number, since 2×534425561² = 571221360500329442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534425501) 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, 697301 + ... + 698066.

It is an arithmetic number, because the mean of its divisors is an integer number (133955328).

Almost surely, 2^534425561 is an apocalyptic number.

It is an amenable number.

534425561 is a deficient number, since it is larger than the sum of its proper divisors (1395751).

534425561 is a wasteful number, since it uses less digits than its factorization.

534425561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395750.

The product of its digits is 72000, while the sum is 35.

The square root of 534425561 is about 23117.6460955695. The cubic root of 534425561 is about 811.5134843724.

Adding to 534425561 its reverse (165524435), we get a palindrome (699949996).

The spelling of 534425561 in words is "five hundred thirty-four million, four hundred twenty-five thousand, five hundred sixty-one".