253630383 has 8 divisors (see below), whose sum is σ = 346038528. Its totient is φ = 165154584.

The previous prime is 253630357. The next prime is 253630409. The reversal of 253630383 is 383036352.

It is an interprime number because it is at equal distance from previous prime (253630357) and next prime (253630409).

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

It is not a de Polignac number, because 253630383 - 2²² = 249436079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253630343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982935 + ... + 983192.

It is an arithmetic number, because the mean of its divisors is an integer number (43254816).

Almost surely, 2^253630383 is an apocalyptic number.

253630383 is a deficient number, since it is larger than the sum of its proper divisors (92408145).

253630383 is a wasteful number, since it uses less digits than its factorization.

253630383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966173.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 253630383 is about 15925.7773122696. Note that the first 3 decimals coincide. The cubic root of 253630383 is about 632.9952132090.

The spelling of 253630383 in words is "two hundred fifty-three million, six hundred thirty thousand, three hundred eighty-three".