45340025 has 18 divisors (see below), whose sum is σ = 57300462. Its totient is φ = 35588800.

The previous prime is 45339997. The next prime is 45340033. The reversal of 45340025 is 52004354.

It can be written as a sum of positive squares in 3 ways, for example, as 891136 + 44448889 = 944^2 + 6667^2 .

It is not a de Polignac number, because 45340025 - 2¹² = 45335929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86765 + ... + 87285.

It is an arithmetic number, because the mean of its divisors is an integer number (3183359).

Almost surely, 2^45340025 is an apocalyptic number.

It is an amenable number.

45340025 is a deficient number, since it is larger than the sum of its proper divisors (11960437).

45340025 is an equidigital number, since it uses as much as digits as its factorization.

45340025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45340025 is about 6733.5002042029. The cubic root of 45340025 is about 356.5829594614.

Adding to 45340025 its reverse (52004354), we get a palindrome (97344379).

The spelling of 45340025 in words is "forty-five million, three hundred forty thousand, twenty-five".