253290 has 16 divisors (see below), whose sum is σ = 607968. Its totient is φ = 67536.

The previous prime is 253273. The next prime is 253307. The reversal of 253290 is 92352.

It is an interprime number because it is at equal distance from previous prime (253273) and next prime (253307).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253290.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4192 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (37998).

2²⁵³²⁹⁰ is an apocalyptic number.

253290 is an abundant number, since it is smaller than the sum of its proper divisors (354678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253290 is a wasteful number, since it uses less digits than its factorization.

253290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8453.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 253290 is about 503.2792465421. The cubic root of 253290 is about 63.2711917408.

The spelling of 253290 in words is "two hundred fifty-three thousand, two hundred ninety".