45697253 has 6 divisors (see below), whose sum is σ = 53158086. Its totient is φ = 39169032.

The previous prime is 45697231. The next prime is 45697259. The reversal of 45697253 is 35279654.

45697253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30658369 + 15038884 = 5537^2 + 3878^2 .

It is not a de Polignac number, because 45697253 - 2¹⁶ = 45631717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45697253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45697259) 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 5 ways as a sum of consecutive naturals, for example, 466250 + ... + 466347.

It is an arithmetic number, because the mean of its divisors is an integer number (8859681).

Almost surely, 2^45697253 is an apocalyptic number.

It is an amenable number.

45697253 is a deficient number, since it is larger than the sum of its proper divisors (7460833).

45697253 is an equidigital number, since it uses as much as digits as its factorization.

45697253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932611 (or 932604 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 45697253 is about 6759.9743342708. The cubic root of 45697253 is about 357.5170005119.

The spelling of 45697253 in words is "forty-five million, six hundred ninety-seven thousand, two hundred fifty-three".