1975497 has 8 divisors (see below), whose sum is σ = 2678880. Its totient is φ = 1294560.

The previous prime is 1975481. The next prime is 1975499. The reversal of 1975497 is 7945791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1975497 - 2⁴ = 1975481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1975499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5404 + ... + 5757.

It is an arithmetic number, because the mean of its divisors is an integer number (334860).

2^1975497 is an apocalyptic number.

It is an amenable number.

1975497 is a deficient number, since it is larger than the sum of its proper divisors (703383).

1975497 is a wasteful number, since it uses less digits than its factorization.

1975497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223.

The product of its digits is 79380, while the sum is 42.

The square root of 1975497 is about 1405.5237457973. The cubic root of 1975497 is about 125.4754585537.

The spelling of 1975497 in words is "one million, nine hundred seventy-five thousand, four hundred ninety-seven".