253474 has 8 divisors (see below), whose sum is σ = 409500. Its totient is φ = 116976.

The previous prime is 253469. The next prime is 253481. The reversal of 253474 is 474352.

253474 = T₃₅₄ + T₃₅₅ + ... + T₃₅₇.

It can be written as a sum of positive squares in 2 ways, for example, as 216225 + 37249 = 465^2 + 193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4849 + ... + 4900.

2²⁵³⁴⁷⁴ is an apocalyptic number.

253474 is a deficient number, since it is larger than the sum of its proper divisors (156026).

253474 is a wasteful number, since it uses less digits than its factorization.

253474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764.

The product of its digits is 3360, while the sum is 25.

The square root of 253474 is about 503.4620144559. The cubic root of 253474 is about 63.2865089416.

It can be divided in two parts, 253 and 474, that added together give a palindrome (727).

The spelling of 253474 in words is "two hundred fifty-three thousand, four hundred seventy-four".