1979425 has 12 divisors (see below), whose sum is σ = 2805376. Its totient is φ = 1357200.

The previous prime is 1979413. The next prime is 1979437. The reversal of 1979425 is 5249791.

It is an interprime number because it is at equal distance from previous prime (1979413) and next prime (1979437).

It is not a de Polignac number, because 1979425 - 2⁹ = 1978913 is a prime.

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, 5481 + ... + 5830.

2^1979425 is an apocalyptic number.

It is an amenable number.

1979425 is a deficient number, since it is larger than the sum of its proper divisors (825951).

1979425 is a wasteful number, since it uses less digits than its factorization.

1979425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11328 (or 11323 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 1979425 is about 1406.9203957581. The cubic root of 1979425 is about 125.5585669724.

The spelling of 1979425 in words is "one million, nine hundred seventy-nine thousand, four hundred twenty-five".