253530464 has 24 divisors (see below), whose sum is σ = 544515048. Its totient is φ = 115240960.

The previous prime is 253530463. The next prime is 253530491. The reversal of 253530464 is 464035352.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 253530464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253530461) 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, 359777 + ... + 360480.

It is an arithmetic number, because the mean of its divisors is an integer number (22688127).

Almost surely, 2^253530464 is an apocalyptic number.

It is an amenable number.

253530464 is an abundant number, since it is smaller than the sum of its proper divisors (290984584).

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

253530464 is a wasteful number, since it uses less digits than its factorization.

253530464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720278 (or 720270 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 253530464 is about 15922.6399821135. The cubic root of 253530464 is about 632.9120783792.

The spelling of 253530464 in words is "two hundred fifty-three million, five hundred thirty thousand, four hundred sixty-four".