1961025 has 24 divisors (see below), whose sum is σ = 3538464. Its totient is φ = 950400.

The previous prime is 1961021. The next prime is 1961027. The reversal of 1961025 is 5201691.

It is not a de Polignac number, because 1961025 - 2² = 1961021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1960986 and 1961004.

It is not an unprimeable number, because it can be changed into a prime (1961021) 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 23 ways as a sum of consecutive naturals, for example, 364 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (147436).

2^1961025 is an apocalyptic number.

1961025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1961025 is a deficient number, since it is larger than the sum of its proper divisors (1577439).

1961025 is a wasteful number, since it uses less digits than its factorization.

1961025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401 (or 2396 counting only the distinct ones).

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

The square root of 1961025 is about 1400.3660235810. The cubic root of 1961025 is about 125.1683066147.

It can be divided in two parts, 196 and 1025, that added together give a palindrome (1221).

The spelling of 1961025 in words is "one million, nine hundred sixty-one thousand, twenty-five".