3250400443 has 4 divisors (see below), whose sum is σ = 3250807560. Its totient is φ = 3249993328.

The previous prime is 3250400423. The next prime is 3250400449. The reversal of 3250400443 is 3440040523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3440040523 = 29 ⋅118622087.

It is a cyclic number.

It is not a de Polignac number, because 3250400443 - 2¹³ = 3250392251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3250400449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191338 + ... + 207631.

It is an arithmetic number, because the mean of its divisors is an integer number (812701890).

Almost surely, 2^3250400443 is an apocalyptic number.

3250400443 is a deficient number, since it is larger than the sum of its proper divisors (407117).

3250400443 is an equidigital number, since it uses as much as digits as its factorization.

3250400443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407116.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3250400443 is about 57012.2832642230. The cubic root of 3250400443 is about 1481.3088681572.

Adding to 3250400443 its reverse (3440040523), we get a palindrome (6690440966).

The spelling of 3250400443 in words is "three billion, two hundred fifty million, four hundred thousand, four hundred forty-three".