253051603 has 8 divisors (see below), whose sum is σ = 295927808. Its totient is φ = 211856904.

The previous prime is 253051583. The next prime is 253051609. The reversal of 253051603 is 306150352.

It is a happy number.

253051603 is digitally balanced in base 2, because in such base 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 de Polignac number, because none of the positive numbers 2^k-253051603 is a prime.

It is a super-2 number, since 2×253051603² = 128070227561739218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253051609) 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, 420051 + ... + 420652.

It is an arithmetic number, because the mean of its divisors is an integer number (36990976).

Almost surely, 2^253051603 is an apocalyptic number.

253051603 is a deficient number, since it is larger than the sum of its proper divisors (42876205).

253051603 is an equidigital number, since it uses as much as digits as its factorization.

253051603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840753.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 253051603 is about 15907.5957642882. The cubic root of 253051603 is about 632.5133519030.

The spelling of 253051603 in words is "two hundred fifty-three million, fifty-one thousand, six hundred three".