3753400225 has 9 divisors (see below), whose sum is σ = 4654596153. Its totient is φ = 3002475120.

The previous prime is 3753400219. The next prime is 3753400243. The reversal of 3753400225 is 5220043573.

The square root of 3753400225 is 61265.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 88792929 + 3664607296 = 9423^2 + 60536^2 .

It is not a de Polignac number, because 3753400225 - 2¹³ = 3753392033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 300199 + ... + 312451.

Almost surely, 2^3753400225 is an apocalyptic number.

3753400225 is the 61265-th square number.

3753400225 is the 30633-rd centered octagonal number.

It is an amenable number.

3753400225 is a deficient number, since it is larger than the sum of its proper divisors (901195928).

3753400225 is an frugal number, since it uses more digits than its factorization.

3753400225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24516 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 31.

The cubic root of 3753400225 is about 1554.0856795538.

Adding to 3753400225 its reverse (5220043573), we get a palindrome (8973443798).

The spelling of 3753400225 in words is "three billion, seven hundred fifty-three million, four hundred thousand, two hundred twenty-five".