125211533 has 2 divisors, whose sum is σ = 125211534. Its totient is φ = 125211532.

The previous prime is 125211529. The next prime is 125211551. The reversal of 125211533 is 335112521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65334889 + 59876644 = 8083^2 + 7738^2 .

It is a cyclic number.

It is not a de Polignac number, because 125211533 - 2² = 125211529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125211499 and 125211508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125211733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62605766 + 62605767.

It is an arithmetic number, because the mean of its divisors is an integer number (62605767).

Almost surely, 2^125211533 is an apocalyptic number.

It is an amenable number.

125211533 is a deficient number, since it is larger than the sum of its proper divisors (1).

125211533 is an equidigital number, since it uses as much as digits as its factorization.

125211533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 125211533 is about 11189.7959320088. The cubic root of 125211533 is about 500.2818850518.

The spelling of 125211533 in words is "one hundred twenty-five million, two hundred eleven thousand, five hundred thirty-three".