253320101 has 4 divisors (see below), whose sum is σ = 254234892. Its totient is φ = 252405312.

The previous prime is 253320079. The next prime is 253320107. The reversal of 253320101 is 101023352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70123876 + 183196225 = 8374^2 + 13535^2 .

It is a cyclic number.

It is not a de Polignac number, because 253320101 - 2¹⁸ = 253057957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253320101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253320107) 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, 456980 + ... + 457533.

It is an arithmetic number, because the mean of its divisors is an integer number (63558723).

Almost surely, 2^253320101 is an apocalyptic number.

It is an amenable number.

253320101 is a deficient number, since it is larger than the sum of its proper divisors (914791).

253320101 is an equidigital number, since it uses as much as digits as its factorization.

253320101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914790.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 253320101 is about 15916.0328285663. The cubic root of 253320101 is about 632.7369802570.

Adding to 253320101 its reverse (101023352), we get a palindrome (354343453).

The spelling of 253320101 in words is "two hundred fifty-three million, three hundred twenty thousand, one hundred one".