253460213 has 4 divisors (see below), whose sum is σ = 253518540. Its totient is φ = 253401888.

The previous prime is 253460173. The next prime is 253460219. The reversal of 253460213 is 312064352.

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 107702884 + 145757329 = 10378^2 + 12073^2 .

It is a cyclic number.

It is not a de Polignac number, because 253460213 - 2⁶ = 253460149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253460219) 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, 22070 + ... + 31527.

It is an arithmetic number, because the mean of its divisors is an integer number (63379635).

Almost surely, 2^253460213 is an apocalyptic number.

It is an amenable number.

253460213 is a deficient number, since it is larger than the sum of its proper divisors (58327).

253460213 is an equidigital number, since it uses as much as digits as its factorization.

253460213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58326.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 253460213 is about 15920.4338194661. The cubic root of 253460213 is about 632.8536149069.

The spelling of 253460213 in words is "two hundred fifty-three million, four hundred sixty thousand, two hundred thirteen".