253470001601 has 4 divisors (see below), whose sum is σ = 259652196804. Its totient is φ = 247287806400.

The previous prime is 253470001583. The next prime is 253470001621. The reversal of 253470001601 is 106100074352.

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 28959870976 + 224510130625 = 170176^2 + 473825^2 .

It is a cyclic number.

It is not a de Polignac number, because 253470001601 - 2²² = 253465807297 is a prime.

It is a super-2 number, since 2×253470001601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253470001621) 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, 3091097540 + ... + 3091097621.

It is an arithmetic number, because the mean of its divisors is an integer number (64913049201).

Almost surely, 2^253470001601 is an apocalyptic number.

It is an amenable number.

253470001601 is a deficient number, since it is larger than the sum of its proper divisors (6182195203).

253470001601 is an equidigital number, since it uses as much as digits as its factorization.

253470001601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182195202.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 253470001601 its reverse (106100074352), we get a palindrome (359570075953).

The spelling of 253470001601 in words is "two hundred fifty-three billion, four hundred seventy million, one thousand, six hundred one".