4125542501 has 4 divisors (see below), whose sum is σ = 4126258752. Its totient is φ = 4124826252.

The previous prime is 4125542471. The next prime is 4125542569. The reversal of 4125542501 is 1052455214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4125542501 - 2⁶ = 4125542437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125542801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349415 + ... + 361028.

It is an arithmetic number, because the mean of its divisors is an integer number (1031564688).

Almost surely, 2^4125542501 is an apocalyptic number.

It is an amenable number.

4125542501 is a deficient number, since it is larger than the sum of its proper divisors (716251).

4125542501 is an equidigital number, since it uses as much as digits as its factorization.

4125542501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716250.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 4125542501 is about 64230.3861190325. The cubic root of 4125542501 is about 1603.8374686062.

Adding to 4125542501 its reverse (1052455214), we get a palindrome (5177997715).

The spelling of 4125542501 in words is "four billion, one hundred twenty-five million, five hundred forty-two thousand, five hundred one".