1972425 has 72 divisors (see below), whose sum is σ = 4263616. Its totient is φ = 783360.

The previous prime is 1972423. The next prime is 1972441. The reversal of 1972425 is 5242791.

It is not a de Polignac number, because 1972425 - 2¹ = 1972423 is a prime.

Its product of digits (5040) is a multiple of the sum of its prime divisors (45).

It is a junction number, because it is equal to n+sod(n) for n = 1972392 and 1972401.

It is not an unprimeable number, because it can be changed into a prime (1972423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 116017 + ... + 116033.

2^1972425 is an apocalyptic number.

1972425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1972425 is an abundant number, since it is smaller than the sum of its proper divisors (2291191).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1972425 is a wasteful number, since it uses less digits than its factorization.

1972425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 45 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 1972425 is about 1404.4304895580. The cubic root of 1972425 is about 125.4103845351.

The spelling of 1972425 in words is "one million, nine hundred seventy-two thousand, four hundred twenty-five".