2557262 has 4 divisors (see below), whose sum is σ = 3835896. Its totient is φ = 1278630.

The previous prime is 2557241. The next prime is 2557273. The reversal of 2557262 is 2627552.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639314 + ... + 639317.

It is an arithmetic number, because the mean of its divisors is an integer number (958974).

2^2557262 is an apocalyptic number.

2557262 is a deficient number, since it is larger than the sum of its proper divisors (1278634).

2557262 is a wasteful number, since it uses less digits than its factorization.

2557262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278633.

The product of its digits is 8400, while the sum is 29.

The square root of 2557262 is about 1599.1441460982. The cubic root of 2557262 is about 136.7492883978.

The spelling of 2557262 in words is "two million, five hundred fifty-seven thousand, two hundred sixty-two".