1972925 has 12 divisors (see below), whose sum is σ = 2494260. Its totient is φ = 1547520.

The previous prime is 1972921. The next prime is 1972931. The reversal of 1972925 is 5292791.

It can be written as a sum of positive squares in 6 ways, for example, as 63001 + 1909924 = 251^2 + 1382^2 .

It is not a de Polignac number, because 1972925 - 2² = 1972921 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (207855).

2^1972925 is an apocalyptic number.

It is an amenable number.

1972925 is a deficient number, since it is larger than the sum of its proper divisors (521335).

1972925 is a wasteful number, since it uses less digits than its factorization.

1972925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1547 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 1972925 is about 1404.6084863762. The cubic root of 1972925 is about 125.4209806110.

The spelling of 1972925 in words is "one million, nine hundred seventy-two thousand, nine hundred twenty-five".