3725131406 has 4 divisors (see below), whose sum is σ = 5587697112. Its totient is φ = 1862565702.

The previous prime is 3725131373. The next prime is 3725131441. The reversal of 3725131406 is 6041315273.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931282850 + ... + 931282853.

It is an arithmetic number, because the mean of its divisors is an integer number (1396924278).

Almost surely, 2^3725131406 is an apocalyptic number.

3725131406 is a deficient number, since it is larger than the sum of its proper divisors (1862565706).

3725131406 is a wasteful number, since it uses less digits than its factorization.

3725131406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862565705.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3725131406 is about 61033.8545890721. The cubic root of 3725131406 is about 1550.1742996498.

Adding to 3725131406 its reverse (6041315273), we get a palindrome (9766446679).

The spelling of 3725131406 in words is "three billion, seven hundred twenty-five million, one hundred thirty-one thousand, four hundred six".