3250125405 has 40 divisors (see below), whose sum is σ = 6014114304. Its totient is φ = 1677477600.

The previous prime is 3250125401. The next prime is 3250125409. The reversal of 3250125405 is 5045210523.

It is a happy number.

3250125405 is a `hidden beast` number, since 3 + 250 + 1 + 2 + 5 + 405 = 666.

It is an interprime number because it is at equal distance from previous prime (3250125401) and next prime (3250125409).

It is not a de Polignac number, because 3250125405 - 2² = 3250125401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250125401) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 116881 + ... + 141990.

Almost surely, 2^3250125405 is an apocalyptic number.

It is an amenable number.

3250125405 is a deficient number, since it is larger than the sum of its proper divisors (2763988899).

3250125405 is a wasteful number, since it uses less digits than its factorization.

3250125405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258919 (or 258910 counting only the distinct ones).

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

The square root of 3250125405 is about 57009.8711189562. The cubic root of 3250125405 is about 1481.2670858468.

Adding to 3250125405 its reverse (5045210523), we get a palindrome (8295335928).

The spelling of 3250125405 in words is "three billion, two hundred fifty million, one hundred twenty-five thousand, four hundred five".