1957542 has 8 divisors (see below), whose sum is σ = 3915096. Its totient is φ = 652512.

The previous prime is 1957523. The next prime is 1957547. The reversal of 1957542 is 2457591.

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

1957542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163123 + ... + 163134.

It is an arithmetic number, because the mean of its divisors is an integer number (489387).

2^1957542 is an apocalyptic number.

1957542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1957542 is a wasteful number, since it uses less digits than its factorization.

1957542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326262.

The product of its digits is 12600, while the sum is 33.

The square root of 1957542 is about 1399.1218674583. The cubic root of 1957542 is about 125.0941583891.

The spelling of 1957542 in words is "one million, nine hundred fifty-seven thousand, five hundred forty-two".