253769642 has 32 divisors (see below), whose sum is σ = 461946240. Its totient is φ = 102067200.

The previous prime is 253769641. The next prime is 253769651. The reversal of 253769642 is 246967352.

253769642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 253769593 and 253769602.

It is not an unprimeable number, because it can be changed into a prime (253769641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94109 + ... + 96767.

It is an arithmetic number, because the mean of its divisors is an integer number (14435820).

Almost surely, 2^253769642 is an apocalyptic number.

253769642 is a deficient number, since it is larger than the sum of its proper divisors (208176598).

253769642 is a wasteful number, since it uses less digits than its factorization.

253769642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086.

The product of its digits is 544320, while the sum is 44.

The square root of 253769642 is about 15930.1488379739. The cubic root of 253769642 is about 633.1110433801. Note that the first 3 decimals are identical.

The spelling of 253769642 in words is "two hundred fifty-three million, seven hundred sixty-nine thousand, six hundred forty-two".