253837430 has 96 divisors (see below), whose sum is σ = 599380992. Its totient is φ = 75620160.

The previous prime is 253837417. The next prime is 253837439. The reversal of 253837430 is 34738352.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253837439) 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, 194159 + ... + 195461.

It is an arithmetic number, because the mean of its divisors is an integer number (6243552).

Almost surely, 2^253837430 is an apocalyptic number.

253837430 is an abundant number, since it is smaller than the sum of its proper divisors (345543562).

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

253837430 is a wasteful number, since it uses less digits than its factorization.

253837430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 253837430 is about 15932.2763596418. The cubic root of 253837430 is about 633.1674114445.

The spelling of 253837430 in words is "two hundred fifty-three million, eight hundred thirty-seven thousand, four hundred thirty".