529840025 has 24 divisors (see below), whose sum is σ = 771867264. Its totient is φ = 355694400.

The previous prime is 529840013. The next prime is 529840027. The reversal of 529840025 is 520048925.

It is a happy number.

It is not a de Polignac number, because 529840025 - 2⁸ = 529839769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (529840027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70529 + ... + 77678.

It is an arithmetic number, because the mean of its divisors is an integer number (32161136).

Almost surely, 2^529840025 is an apocalyptic number.

529840025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

529840025 is a deficient number, since it is larger than the sum of its proper divisors (242027239).

529840025 is a wasteful number, since it uses less digits than its factorization.

529840025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148241 (or 148236 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 529840025 is about 23018.2541692458. The cubic root of 529840025 is about 809.1858022909.

The spelling of 529840025 in words is "five hundred twenty-nine million, eight hundred forty thousand, twenty-five".