253010638 has 8 divisors (see below), whose sum is σ = 379585080. Its totient is φ = 126482280.

The previous prime is 253010621. The next prime is 253010647. The reversal of 253010638 is 836010352.

253010638 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.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11053 + ... + 25063.

It is an arithmetic number, because the mean of its divisors is an integer number (47448135).

Almost surely, 2^253010638 is an apocalyptic number.

253010638 is a deficient number, since it is larger than the sum of its proper divisors (126574442).

253010638 is a wasteful number, since it uses less digits than its factorization.

253010638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23042.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 253010638 is about 15906.3081197366. The cubic root of 253010638 is about 632.4792188020.

The spelling of 253010638 in words is "two hundred fifty-three million, ten thousand, six hundred thirty-eight".