5256090 has 112 divisors (see below), whose sum is σ = 16368768. Its totient is φ = 1189728.

The previous prime is 5256071. The next prime is 5256131. The reversal of 5256090 is 906525.

5256090 = 120² + 121² + ... + 259².

5256090 is a `hidden beast` number, since 52 + 5 + 609 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 50979 + ... + 51081.

Almost surely, 2^5256090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5256090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8184384).

5256090 is an abundant number, since it is smaller than the sum of its proper divisors (11112678).

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

5256090 is a wasteful number, since it uses less digits than its factorization.

5256090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 5256090 is about 2292.6164092582. The cubic root of 5256090 is about 173.8685094576.

It can be divided in two parts, 52560 and 90, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 5256090 in words is "five million, two hundred fifty-six thousand, ninety".