45213025 has 24 divisors (see below), whose sum is σ = 65870784. Its totient is φ = 30350400.

The previous prime is 45213019. The next prime is 45213029. The reversal of 45213025 is 52031254.

45213025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45213025 - 2⁹ = 45212513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45212987 and 45213005.

It is not an unprimeable number, because it can be changed into a prime (45213029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2749 + ... + 9898.

It is an arithmetic number, because the mean of its divisors is an integer number (2744616).

Almost surely, 2^45213025 is an apocalyptic number.

It is an amenable number.

45213025 is a deficient number, since it is larger than the sum of its proper divisors (20657759).

45213025 is a wasteful number, since it uses less digits than its factorization.

45213025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681 (or 12676 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45213025 is about 6724.0631317679. The cubic root of 45213025 is about 356.2497117059.

Adding to 45213025 its reverse (52031254), we get a palindrome (97244279).

The spelling of 45213025 in words is "forty-five million, two hundred thirteen thousand, twenty-five".