1977025 has 12 divisors (see below), whose sum is σ = 2531584. Its totient is φ = 1530000.

The previous prime is 1977023. The next prime is 1977067. The reversal of 1977025 is 5207791.

It is not a de Polignac number, because 1977025 - 2¹ = 1977023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1977023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501 + ... + 2050.

2^1977025 is an apocalyptic number.

It is an amenable number.

1977025 is a deficient number, since it is larger than the sum of its proper divisors (554559).

1977025 is a wasteful number, since it uses less digits than its factorization.

1977025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 1977025 is about 1406.0672103424. The cubic root of 1977025 is about 125.5078009786.

The spelling of 1977025 in words is "one million, nine hundred seventy-seven thousand, twenty-five".