214420525 has 24 divisors (see below), whose sum is σ = 291793824. Its totient is φ = 155006400.

The previous prime is 214420517. The next prime is 214420553. The reversal of 214420525 is 525024412.

It is not a de Polignac number, because 214420525 - 2³ = 214420517 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214420525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45322 + ... + 49828.

It is an arithmetic number, because the mean of its divisors is an integer number (12158076).

Almost surely, 2^214420525 is an apocalyptic number.

214420525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214420525 is a deficient number, since it is larger than the sum of its proper divisors (77373299).

214420525 is a wasteful number, since it uses less digits than its factorization.

214420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701 (or 4696 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 214420525 is about 14643.1050327449. The cubic root of 214420525 is about 598.5339438648.

Adding to 214420525 its reverse (525024412), we get a palindrome (739444937).

The spelling of 214420525 in words is "two hundred fourteen million, four hundred twenty thousand, five hundred twenty-five".