525740544 has 200 divisors, whose sum is σ = 1794358368. Its totient is φ = 150128640.

The previous prime is 525740513. The next prime is 525740561. The reversal of 525740544 is 445047525.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 525740499 and 525740508.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 289399 + ... + 291209.

Almost surely, 2^525740544 is an apocalyptic number.

525740544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525740544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897179184).

525740544 is an abundant number, since it is smaller than the sum of its proper divisors (1268617824).

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

525740544 is an equidigital number, since it uses as much as digits as its factorization.

525740544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 525740544 is about 22929.0327750649. The cubic root of 525740544 is about 807.0934511256.

The spelling of 525740544 in words is "five hundred twenty-five million, seven hundred forty thousand, five hundred forty-four".