45511025 has 24 divisors (see below), whose sum is σ = 66079104. Its totient is φ = 30441600.

The previous prime is 45511021. The next prime is 45511079. The reversal of 45511025 is 52011554.

It is a happy number.

It is not a de Polignac number, because 45511025 - 2² = 45511021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45511021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4004 + ... + 10346.

It is an arithmetic number, because the mean of its divisors is an integer number (2753296).

Almost surely, 2^45511025 is an apocalyptic number.

It is an amenable number.

45511025 is a deficient number, since it is larger than the sum of its proper divisors (20568079).

45511025 is a wasteful number, since it uses less digits than its factorization.

45511025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401 (or 6396 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 45511025 is about 6746.1859594885. The cubic root of 45511025 is about 357.0306815322.

Adding to 45511025 its reverse (52011554), we get a palindrome (97522579).

The spelling of 45511025 in words is "forty-five million, five hundred eleven thousand, twenty-five".