125543357 has 2 divisors, whose sum is σ = 125543358. Its totient is φ = 125543356.

The previous prime is 125543347. The next prime is 125543387. The reversal of 125543357 is 753345521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80532676 + 45010681 = 8974^2 + 6709^2 .

It is a cyclic number.

It is not a de Polignac number, because 125543357 - 2⁶ = 125543293 is a prime.

It is a super-2 number, since 2×125543357² = 31522268973658898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125543347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62771678 + 62771679.

It is an arithmetic number, because the mean of its divisors is an integer number (62771679).

Almost surely, 2^125543357 is an apocalyptic number.

It is an amenable number.

125543357 is a deficient number, since it is larger than the sum of its proper divisors (1).

125543357 is an equidigital number, since it uses as much as digits as its factorization.

125543357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 35.

The square root of 125543357 is about 11204.6132017129. The cubic root of 125543357 is about 500.7234287967.

Adding to 125543357 its reverse (753345521), we get a palindrome (878888878).

The spelling of 125543357 in words is "one hundred twenty-five million, five hundred forty-three thousand, three hundred fifty-seven".