45506025 has 36 divisors (see below), whose sum is σ = 86308092. Its totient is φ = 22840320.

The previous prime is 45506003. The next prime is 45506033. The reversal of 45506025 is 52060554.

45506025 is a `hidden beast` number, since 4 + 5 + 50 + 602 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 5702544 + 39803481 = 2388^2 + 6309^2 .

It is not a de Polignac number, because 45506025 - 2⁶ = 45505961 is a prime.

It is a super-2 number, since 2×45506025² = 4141596622601250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45506025.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2124 + ... + 9773.

It is an arithmetic number, because the mean of its divisors is an integer number (2397447).

Almost surely, 2^45506025 is an apocalyptic number.

45506025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45506025 is a deficient number, since it is larger than the sum of its proper divisors (40802067).

45506025 is a wasteful number, since it uses less digits than its factorization.

45506025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11930 (or 11922 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45506025 is about 6745.8153695458. The cubic root of 45506025 is about 357.0176061745.

Adding to 45506025 its reverse (52060554), we get a palindrome (97566579).

The spelling of 45506025 in words is "forty-five million, five hundred six thousand, twenty-five".