4252125545 has 8 divisors (see below), whose sum is σ = 5106878280. Its totient is φ = 3398815360.

The previous prime is 4252125541. The next prime is 4252125547. The reversal of 4252125545 is 5455212524.

It can be written as a sum of positive squares in 4 ways, for example, as 1440050704 + 2812074841 = 37948^2 + 53029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4252125545 - 2² = 4252125541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4252125541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354140 + ... + 365949.

It is an arithmetic number, because the mean of its divisors is an integer number (638359785).

Almost surely, 2^4252125545 is an apocalyptic number.

It is an amenable number.

4252125545 is a deficient number, since it is larger than the sum of its proper divisors (854752735).

4252125545 is a wasteful number, since it uses less digits than its factorization.

4252125545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721275.

The product of its digits is 80000, while the sum is 35.

The square root of 4252125545 is about 65208.3242002124. The cubic root of 4252125545 is about 1620.0758925224.

The spelling of 4252125545 in words is "four billion, two hundred fifty-two million, one hundred twenty-five thousand, five hundred forty-five".