253333390 has 8 divisors (see below), whose sum is σ = 456000120. Its totient is φ = 101333352.

The previous prime is 253333369. The next prime is 253333411. The reversal of 253333390 is 93333352.

It is an interprime number because it is at equal distance from previous prime (253333369) and next prime (253333411).

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

It is a congruent 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, 12666660 + ... + 12666679.

It is an arithmetic number, because the mean of its divisors is an integer number (57000015).

Almost surely, 2^253333390 is an apocalyptic number.

253333390 is a deficient number, since it is larger than the sum of its proper divisors (202666730).

253333390 is a wasteful number, since it uses less digits than its factorization.

253333390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25333346.

The product of its (nonzero) digits is 21870, while the sum is 31.

The square root of 253333390 is about 15916.4502952134. The cubic root of 253333390 is about 632.7480443805.

The spelling of 253333390 in words is "two hundred fifty-three million, three hundred thirty-three thousand, three hundred ninety".