1972625 has 16 divisors (see below), whose sum is σ = 2525952. Its totient is φ = 1537200.

The previous prime is 1972613. The next prime is 1972627. The reversal of 1972625 is 5262791.

It is not a de Polignac number, because 1972625 - 2¹⁰ = 1971601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1972591 and 1972600.

It is not an unprimeable number, because it can be changed into a prime (1972627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5192 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (157872).

2^1972625 is an apocalyptic number.

It is an amenable number.

1972625 is a deficient number, since it is larger than the sum of its proper divisors (553327).

1972625 is an equidigital number, since it uses as much as digits as its factorization.

1972625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 415 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 1972625 is about 1404.5016909922. The cubic root of 1972625 is about 125.4146231803.

It can be divided in two parts, 197262 and 5, that multiplied together give a triangular number (986310 = T₁₄₀₄).

The spelling of 1972625 in words is "one million, nine hundred seventy-two thousand, six hundred twenty-five".