4019925 has 96 divisors (see below), whose sum is σ = 8888320. Its totient is φ = 1555200.

The previous prime is 4019909. The next prime is 4019993. The reversal of 4019925 is 5299104.

It is a happy number.

It is not a de Polignac number, because 4019925 - 2⁴ = 4019909 is a prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4019892 and 4019901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 129660 + ... + 129690.

Almost surely, 2^4019925 is an apocalyptic number.

It is an amenable number.

4019925 is an abundant number, since it is smaller than the sum of its proper divisors (4868395).

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

4019925 is a wasteful number, since it uses less digits than its factorization.

4019925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 4019925 is about 2004.9750621891. The cubic root of 4019925 is about 159.0032434764.

The spelling of 4019925 in words is "four million, nineteen thousand, nine hundred twenty-five".