125869253 has 2 divisors, whose sum is σ = 125869254. Its totient is φ = 125869252.

The previous prime is 125869217. The next prime is 125869267. The reversal of 125869253 is 352968521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111978724 + 13890529 = 10582^2 + 3727^2 .

It is an emirp because it is prime and its reverse (352968521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125869253 - 2¹⁰ = 125868229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125869253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125869453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62934626 + 62934627.

It is an arithmetic number, because the mean of its divisors is an integer number (62934627).

Almost surely, 2^125869253 is an apocalyptic number.

It is an amenable number.

125869253 is a deficient number, since it is larger than the sum of its proper divisors (1).

125869253 is an equidigital number, since it uses as much as digits as its factorization.

125869253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 125869253 is about 11219.1467144342. The cubic root of 125869253 is about 501.1563277508.

The spelling of 125869253 in words is "one hundred twenty-five million, eight hundred sixty-nine thousand, two hundred fifty-three".