2917971925 has 12 divisors (see below), whose sum is σ = 3947220576. Its totient is φ = 2122161200.

The previous prime is 2917971871. The next prime is 2917971943. The reversal of 2917971925 is 5291797192.

It is a happy number.

It is not a de Polignac number, because 2917971925 - 2¹³ = 2917963733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5305129 + ... + 5305678.

It is an arithmetic number, because the mean of its divisors is an integer number (328935048).

Almost surely, 2^2917971925 is an apocalyptic number.

2917971925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2917971925 is a deficient number, since it is larger than the sum of its proper divisors (1029248651).

2917971925 is a wasteful number, since it uses less digits than its factorization.

2917971925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10610828 (or 10610823 counting only the distinct ones).

The product of its digits is 714420, while the sum is 52.

The square root of 2917971925 is about 54018.2554790508. The cubic root of 2917971925 is about 1428.9829149282.

The spelling of 2917971925 in words is "two billion, nine hundred seventeen million, nine hundred seventy-one thousand, nine hundred twenty-five".