545225001 has 4 divisors (see below), whose sum is σ = 726966672. Its totient is φ = 363483332.

The previous prime is 545224997. The next prime is 545225017. The reversal of 545225001 is 100522545.

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 545225001 - 2² = 545224997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545225701) 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, 90870831 + ... + 90870836.

It is an arithmetic number, because the mean of its divisors is an integer number (181741668).

Almost surely, 2^545225001 is an apocalyptic number.

It is an amenable number.

545225001 is a deficient number, since it is larger than the sum of its proper divisors (181741671).

545225001 is a wasteful number, since it uses less digits than its factorization.

545225001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181741670.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 545225001 is about 23350.0535545424. The cubic root of 545225001 is about 816.9433099888.

Adding to 545225001 its reverse (100522545), we get a palindrome (645747546).

The spelling of 545225001 in words is "five hundred forty-five million, two hundred twenty-five thousand, one".