527311620 has 240 divisors, whose sum is σ = 1826592768. Its totient is φ = 126282240.

The previous prime is 527311601. The next prime is 527311657. The reversal of 527311620 is 26113725.

It is a happy number.

527311620 is a `hidden beast` number, since 5 + 2 + 7 + 31 + 1 + 620 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2263024 + ... + 2263256.

Almost surely, 2^527311620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 527311620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913296384).

527311620 is an abundant number, since it is smaller than the sum of its proper divisors (1299281148).

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

527311620 is a wasteful number, since it uses less digits than its factorization.

527311620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 527311620 is about 22963.2667536655. The cubic root of 527311620 is about 807.8966002541.

The spelling of 527311620 in words is "five hundred twenty-seven million, three hundred eleven thousand, six hundred twenty".