39925141 has 4 divisors (see below), whose sum is σ = 41301900. Its totient is φ = 38548384.

The previous prime is 39925139. The next prime is 39925159. The reversal of 39925141 is 14152993.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24354225 + 15570916 = 4935^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 39925141 - 2¹ = 39925139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39925097 and 39925106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39925181) 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, 688336 + ... + 688393.

It is an arithmetic number, because the mean of its divisors is an integer number (10325475).

Almost surely, 2^39925141 is an apocalyptic number.

It is an amenable number.

39925141 is a deficient number, since it is larger than the sum of its proper divisors (1376759).

39925141 is a wasteful number, since it uses less digits than its factorization.

39925141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376758.

The product of its digits is 9720, while the sum is 34.

The square root of 39925141 is about 6318.6344252536. The cubic root of 39925141 is about 341.7817109578.

The spelling of 39925141 in words is "thirty-nine million, nine hundred twenty-five thousand, one hundred forty-one".