4542257 has 4 divisors (see below), whose sum is σ = 4584816. Its totient is φ = 4499700.

The previous prime is 4542253. The next prime is 4542277. The reversal of 4542257 is 7522454.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7522454 = 2 ⋅3761227.

It is a cyclic number.

It is not a de Polignac number, because 4542257 - 2² = 4542253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21119 + ... + 21332.

It is an arithmetic number, because the mean of its divisors is an integer number (1146204).

Almost surely, 2^4542257 is an apocalyptic number.

It is an amenable number.

4542257 is a deficient number, since it is larger than the sum of its proper divisors (42559).

4542257 is a wasteful number, since it uses less digits than its factorization.

4542257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42558.

The product of its digits is 11200, while the sum is 29.

The square root of 4542257 is about 2131.2571407505. The cubic root of 4542257 is about 165.6115293186.

The spelling of 4542257 in words is "four million, five hundred forty-two thousand, two hundred fifty-seven".