431264357 has 2 divisors, whose sum is σ = 431264358. Its totient is φ = 431264356.

The previous prime is 431264333. The next prime is 431264369. The reversal of 431264357 is 753462134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419389441 + 11874916 = 20479^2 + 3446^2 .

It is a cyclic number.

It is not a de Polignac number, because 431264357 - 2⁶ = 431264293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431264257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215632178 + 215632179.

It is an arithmetic number, because the mean of its divisors is an integer number (215632179).

Almost surely, 2^431264357 is an apocalyptic number.

It is an amenable number.

431264357 is a deficient number, since it is larger than the sum of its proper divisors (1).

431264357 is an equidigital number, since it uses as much as digits as its factorization.

431264357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 431264357 is about 20766.9053303568. The cubic root of 431264357 is about 755.5232879442.

The spelling of 431264357 in words is "four hundred thirty-one million, two hundred sixty-four thousand, three hundred fifty-seven".