1972526 has 16 divisors (see below), whose sum is σ = 3119904. Its totient is φ = 933504.

The previous prime is 1972511. The next prime is 1972541. The reversal of 1972526 is 6252791.

It is an interprime number because it is at equal distance from previous prime (1972511) and next prime (1972541).

It is a junction number, because it is equal to n+sod(n) for n = 1972492 and 1972501.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6146 + ... + 6458.

It is an arithmetic number, because the mean of its divisors is an integer number (194994).

2^1972526 is an apocalyptic number.

1972526 is a deficient number, since it is larger than the sum of its proper divisors (1147378).

1972526 is a wasteful number, since it uses less digits than its factorization.

1972526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

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

The square root of 1972526 is about 1404.4664467334. The cubic root of 1972526 is about 125.4125250868.

The spelling of 1972526 in words is "one million, nine hundred seventy-two thousand, five hundred twenty-six".