253064454 has 8 divisors (see below), whose sum is σ = 506128920. Its totient is φ = 84354816.

The previous prime is 253064447. The next prime is 253064459. The reversal of 253064454 is 454460352.

253064454 is digitally balanced in base 2 and base 3, because in such bases 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.

253064454 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253064459) 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, 21088699 + ... + 21088710.

It is an arithmetic number, because the mean of its divisors is an integer number (63266115).

Almost surely, 2^253064454 is an apocalyptic number.

253064454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253064454 is a wasteful number, since it uses less digits than its factorization.

253064454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42177414.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 253064454 is about 15907.9996856927. Note that the first 3 decimals coincide. The cubic root of 253064454 is about 632.5240589306.

The spelling of 253064454 in words is "two hundred fifty-three million, sixty-four thousand, four hundred fifty-four".