431876057 has 4 divisors (see below), whose sum is σ = 432209316. Its totient is φ = 431542800.

The previous prime is 431876051. The next prime is 431876063. The reversal of 431876057 is 750678134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750678134 = 2 ⋅375339067.

It is an interprime number because it is at equal distance from previous prime (431876051) and next prime (431876063).

It can be written as a sum of positive squares in 2 ways, for example, as 54700816 + 377175241 = 7396^2 + 19421^2 .

It is a cyclic number.

It is not a de Polignac number, because 431876057 - 2⁶ = 431875993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431876051) 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, 164678 + ... + 167279.

It is an arithmetic number, because the mean of its divisors is an integer number (108052329).

Almost surely, 2^431876057 is an apocalyptic number.

It is an amenable number.

431876057 is a deficient number, since it is larger than the sum of its proper divisors (333259).

431876057 is a wasteful number, since it uses less digits than its factorization.

431876057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333258.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 431876057 is about 20781.6278717525. The cubic root of 431876057 is about 755.8803274687.

The spelling of 431876057 in words is "four hundred thirty-one million, eight hundred seventy-six thousand, fifty-seven".