525225654 has 128 divisors (see below), whose sum is σ = 1269043200. Its totient is φ = 160617600.

The previous prime is 525225587. The next prime is 525225691. The reversal of 525225654 is 456522525.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5200204 + ... + 5200304.

It is an arithmetic number, because the mean of its divisors is an integer number (9914400).

Almost surely, 2^525225654 is an apocalyptic number.

525225654 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 525225654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634521600).

525225654 is an abundant number, since it is smaller than the sum of its proper divisors (743817546).

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

525225654 is a wasteful number, since it uses less digits than its factorization.

525225654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 261 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 525225654 is about 22917.8021197496. The cubic root of 525225654 is about 806.8298863386.

The spelling of 525225654 in words is "five hundred twenty-five million, two hundred twenty-five thousand, six hundred fifty-four".