5257278 has 32 divisors (see below), whose sum is σ = 12583200. Its totient is φ = 1617408.

The previous prime is 5257277. The next prime is 5257331. The reversal of 5257278 is 8727525.

5257278 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3043 + ... + 4446.

It is an arithmetic number, because the mean of its divisors is an integer number (393225).

Almost surely, 2^5257278 is an apocalyptic number.

5257278 is an abundant number, since it is smaller than the sum of its proper divisors (7325922).

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

5257278 is a wasteful number, since it uses less digits than its factorization.

5257278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7513 (or 7507 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 5257278 is about 2292.8754872430. The cubic root of 5257278 is about 173.8816079287.

It can be divided in two parts, 52572 and 78, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 5257278 in words is "five million, two hundred fifty-seven thousand, two hundred seventy-eight".