545125601 has 4 divisors (see below), whose sum is σ = 553261872. Its totient is φ = 536989332.

The previous prime is 545125579. The next prime is 545125619. The reversal of 545125601 is 106521545.

It is a happy number.

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 545125601 - 2¹⁴ = 545109217 is a prime.

It is a super-2 number, since 2×545125601² = 594323841731222402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545125681) 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, 4068035 + ... + 4068168.

It is an arithmetic number, because the mean of its divisors is an integer number (138315468).

Almost surely, 2^545125601 is an apocalyptic number.

It is an amenable number.

545125601 is a deficient number, since it is larger than the sum of its proper divisors (8136271).

545125601 is an equidigital number, since it uses as much as digits as its factorization.

545125601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136270.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 545125601 is about 23347.9249827474. The cubic root of 545125601 is about 816.8936613115.

The spelling of 545125601 in words is "five hundred forty-five million, one hundred twenty-five thousand, six hundred one".