125453533 has 2 divisors, whose sum is σ = 125453534. Its totient is φ = 125453532.

The previous prime is 125453509. The next prime is 125453567. The reversal of 125453533 is 335354521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96098809 + 29354724 = 9803^2 + 5418^2 .

It is a cyclic number.

It is not a de Polignac number, because 125453533 - 2²¹ = 123356381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125453495 and 125453504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125453033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62726766 + 62726767.

It is an arithmetic number, because the mean of its divisors is an integer number (62726767).

Almost surely, 2^125453533 is an apocalyptic number.

It is an amenable number.

125453533 is a deficient number, since it is larger than the sum of its proper divisors (1).

125453533 is an equidigital number, since it uses as much as digits as its factorization.

125453533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 31.

The square root of 125453533 is about 11200.6041354920. The cubic root of 125453533 is about 500.6039807873.

It can be divided in two parts, 12 and 5453533, that added together give a palindrome (5453545).

The spelling of 125453533 in words is "one hundred twenty-five million, four hundred fifty-three thousand, five hundred thirty-three".