1925601 has 4 divisors (see below), whose sum is σ = 2567472. Its totient is φ = 1283732.

The previous prime is 1925579. The next prime is 1925603. The reversal of 1925601 is 1065291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1925601 - 2¹⁴ = 1909217 is a prime.

It is a super-2 number, since 2×1925601² = 7415878422402, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1925603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320931 + ... + 320936.

It is an arithmetic number, because the mean of its divisors is an integer number (641868).

2^1925601 is an apocalyptic number.

It is an amenable number.

1925601 is a deficient number, since it is larger than the sum of its proper divisors (641871).

1925601 is an equidigital number, since it uses as much as digits as its factorization.

1925601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641870.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1925601 is about 1387.6602610149. The cubic root of 1925601 is about 124.4100413037.

The spelling of 1925601 in words is "one million, nine hundred twenty-five thousand, six hundred one".