425503357 has 2 divisors, whose sum is σ = 425503358. Its totient is φ = 425503356.

The previous prime is 425503313. The next prime is 425503391. The reversal of 425503357 is 753305524.

It is an a-pointer prime, because the next prime (425503391) can be obtained adding 425503357 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408807961 + 16695396 = 20219^2 + 4086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425503357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425533357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212751678 + 212751679.

It is an arithmetic number, because the mean of its divisors is an integer number (212751679).

Almost surely, 2^425503357 is an apocalyptic number.

It is an amenable number.

425503357 is a deficient number, since it is larger than the sum of its proper divisors (1).

425503357 is an equidigital number, since it uses as much as digits as its factorization.

425503357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 34.

The square root of 425503357 is about 20627.7327159337. The cubic root of 425503357 is about 752.1440026448.

The spelling of 425503357 in words is "four hundred twenty-five million, five hundred three thousand, three hundred fifty-seven".