1925564 has 12 divisors (see below), whose sum is σ = 3379488. Its totient is φ = 960000.

The previous prime is 1925563. The next prime is 1925579. The reversal of 1925564 is 4655291.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1925564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189 + ... + 2939.

It is an arithmetic number, because the mean of its divisors is an integer number (281624).

2^1925564 is an apocalyptic number.

It is an amenable number.

1925564 is a deficient number, since it is larger than the sum of its proper divisors (1453924).

1925564 is a wasteful number, since it uses less digits than its factorization.

1925564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1394 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 1925564 is about 1387.6469291574. The cubic root of 1925564 is about 124.4092444614.

The spelling of 1925564 in words is "one million, nine hundred twenty-five thousand, five hundred sixty-four".