1963625 has 16 divisors (see below), whose sum is σ = 2560896. Its totient is φ = 1500400.

The previous prime is 1963567. The next prime is 1963639. The reversal of 1963625 is 5263691.

It is a happy number.

It is not a de Polignac number, because 1963625 - 2⁸ = 1963369 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 1963591 and 1963600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2534 + ... + 3216.

It is an arithmetic number, because the mean of its divisors is an integer number (160056).

2^1963625 is an apocalyptic number.

It is an amenable number.

1963625 is a deficient number, since it is larger than the sum of its proper divisors (597271).

1963625 is an equidigital number, since it uses as much as digits as its factorization.

1963625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 711 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 1963625 is about 1401.2940448029. The cubic root of 1963625 is about 125.2235997866.

The spelling of 1963625 in words is "one million, nine hundred sixty-three thousand, six hundred twenty-five".