1350057 has 4 divisors (see below), whose sum is σ = 1800080. Its totient is φ = 900036.

The previous prime is 1350053. The next prime is 1350059. The reversal of 1350057 is 7500531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1350057 - 2² = 1350053 is a prime.

It is a D-number.

It is a Duffinian number.

1350057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1350053) 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, 225007 + ... + 225012.

It is an arithmetic number, because the mean of its divisors is an integer number (450020).

2^1350057 is an apocalyptic number.

It is an amenable number.

1350057 is a deficient number, since it is larger than the sum of its proper divisors (450023).

1350057 is an equidigital number, since it uses as much as digits as its factorization.

1350057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450022.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 1350057 is about 1161.9195324978. The cubic root of 1350057 is about 110.5225004173.

Adding to 1350057 its reverse (7500531), we get a palindrome (8850588).

The spelling of 1350057 in words is "one million, three hundred fifty thousand, fifty-seven".