431401417 has 2 divisors, whose sum is σ = 431401418. Its totient is φ = 431401416.

The previous prime is 431401393. The next prime is 431401427. The reversal of 431401417 is 714104134.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242861056 + 188540361 = 15584^2 + 13731^2 .

It is a cyclic number.

It is not a de Polignac number, because 431401417 - 2¹¹ = 431399369 is a prime.

It is a super-2 number, since 2×431401417² = 372214365179215778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431401391 and 431401400.

It is not a weakly prime, because it can be changed into another prime (431401427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215700708 + 215700709.

It is an arithmetic number, because the mean of its divisors is an integer number (215700709).

Almost surely, 2^431401417 is an apocalyptic number.

It is an amenable number.

431401417 is a deficient number, since it is larger than the sum of its proper divisors (1).

431401417 is an equidigital number, since it uses as much as digits as its factorization.

431401417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 431401417 is about 20770.2050302832. The cubic root of 431401417 is about 755.6033170123.

The spelling of 431401417 in words is "four hundred thirty-one million, four hundred one thousand, four hundred seventeen".