3957196225 has 6 divisors (see below), whose sum is σ = 4906923350. Its totient is φ = 3165756960.

The previous prime is 3957196211. The next prime is 3957196279. The reversal of 3957196225 is 5226917593.

It can be written as a sum of positive squares in 3 ways, for example, as 893352321 + 3063843904 = 29889^2 + 55352^2 .

It is not a de Polignac number, because 3957196225 - 2⁹ = 3957195713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79143900 + ... + 79143949.

Almost surely, 2^3957196225 is an apocalyptic number.

It is an amenable number.

3957196225 is a deficient number, since it is larger than the sum of its proper divisors (949727125).

3957196225 is a wasteful number, since it uses less digits than its factorization.

3957196225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158287859 (or 158287854 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 49.

The square root of 3957196225 is about 62906.2494908097. The cubic root of 3957196225 is about 1581.7185041778.

The spelling of 3957196225 in words is "three billion, nine hundred fifty-seven million, one hundred ninety-six thousand, two hundred twenty-five".