230121525 has 48 divisors (see below), whose sum is σ = 406402560. Its totient is φ = 114643200.

The previous prime is 230121523. The next prime is 230121613. The reversal of 230121525 is 525121032.

It is not a de Polignac number, because 230121525 - 2¹ = 230121523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230121523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65719 + ... + 69131.

It is an arithmetic number, because the mean of its divisors is an integer number (8466720).

Almost surely, 2^230121525 is an apocalyptic number.

230121525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230121525 is a deficient number, since it is larger than the sum of its proper divisors (176281035).

230121525 is a wasteful number, since it uses less digits than its factorization.

230121525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3481 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 230121525 is about 15169.7569196082. The cubic root of 230121525 is about 612.8004578916.

Adding to 230121525 its reverse (525121032), we get a palindrome (755242557).

The spelling of 230121525 in words is "two hundred thirty million, one hundred twenty-one thousand, five hundred twenty-five".