253525430 has 8 divisors (see below), whose sum is σ = 456345792. Its totient is φ = 101410168.

The previous prime is 253525429. The next prime is 253525439. The reversal of 253525430 is 34525352.

253525430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 253525393 and 253525402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253525439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12676262 + ... + 12676281.

It is an arithmetic number, because the mean of its divisors is an integer number (57043224).

Almost surely, 2^253525430 is an apocalyptic number.

253525430 is a deficient number, since it is larger than the sum of its proper divisors (202820362).

253525430 is a wasteful number, since it uses less digits than its factorization.

253525430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25352550.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 253525430 is about 15922.4819045273. The cubic root of 253525430 is about 632.9078894013.

The spelling of 253525430 in words is "two hundred fifty-three million, five hundred twenty-five thousand, four hundred thirty".