230354061525 has 72 divisors (see below), whose sum is σ = 496348598720. Its totient is φ = 99762347520.

The previous prime is 230354061523. The next prime is 230354061547. The reversal of 230354061525 is 525160453032.

230354061525 is a `hidden beast` number, since 2 + 3 + 0 + 3 + 540 + 61 + 52 + 5 = 666.

It is not a de Polignac number, because 230354061525 - 2¹ = 230354061523 is a prime.

It is a super-2 number, since 2×230354061525² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230354061525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230354061523) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3818932 + ... + 3878781.

Almost surely, 2^230354061525 is an apocalyptic number.

230354061525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230354061525 is an abundant number, since it is smaller than the sum of its proper divisors (265994537195).

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

230354061525 is a wasteful number, since it uses less digits than its factorization.

230354061525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7697755 (or 7697747 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 230354061525 in words is "two hundred thirty billion, three hundred fifty-four million, sixty-one thousand, five hundred twenty-five".