60566431 has 4 divisors (see below), whose sum is σ = 60616864. Its totient is φ = 60516000.

The previous prime is 60566423. The next prime is 60566437. The reversal of 60566431 is 13466506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13466506 = 2 ⋅6733253.

It is a 5-Lehmer number, since φ(60566431) divides (60566431-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 60566431 - 2³ = 60566423 is a prime.

It is a super-2 number, since 2×60566431² = 7336585128155522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60566393 and 60566402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60566437) 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, 23370 + ... + 25831.

It is an arithmetic number, because the mean of its divisors is an integer number (15154216).

It is a Poulet number, since it divides 2^60566430-1.

Almost surely, 2^60566431 is an apocalyptic number.

60566431 is a deficient number, since it is larger than the sum of its proper divisors (50433).

60566431 is a wasteful number, since it uses less digits than its factorization.

60566431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50432.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 60566431 is about 7782.4437678662. The cubic root of 60566431 is about 392.7148533612.

The spelling of 60566431 in words is "sixty million, five hundred sixty-six thousand, four hundred thirty-one".