527220025 has 12 divisors (see below), whose sum is σ = 669699324. Its totient is φ = 411488000.

The previous prime is 527219989. The next prime is 527220041. The reversal of 527220025 is 520022725.

It can be written as a sum of positive squares in 6 ways, for example, as 6285049 + 520934976 = 2507^2 + 22824^2 .

It is not a de Polignac number, because 527220025 - 2¹⁵ = 527187257 is a prime.

It is a super-2 number, since 2×527220025² = 555921909522001250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256156 + ... + 258205.

It is an arithmetic number, because the mean of its divisors is an integer number (55808277).

Almost surely, 2^527220025 is an apocalyptic number.

It is an amenable number.

527220025 is a deficient number, since it is larger than the sum of its proper divisors (142479299).

527220025 is a wasteful number, since it uses less digits than its factorization.

527220025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514412 (or 514407 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 527220025 is about 22961.2722861779. The cubic root of 527220025 is about 807.8498198360.

The spelling of 527220025 in words is "five hundred twenty-seven million, two hundred twenty thousand, twenty-five".