253358890 has 16 divisors (see below), whose sum is σ = 456470280. Its totient is φ = 101249280.

The previous prime is 253358857. The next prime is 253358899. The reversal of 253358890 is 98853352.

It can be written as a sum of positive squares in 4 ways, for example, as 71351809 + 182007081 = 8447^2 + 13491^2 .

It is not an unprimeable number, because it can be changed into a prime (253358899) 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, 70 + ... + 22510.

Almost surely, 2^253358890 is an apocalyptic number.

253358890 is a deficient number, since it is larger than the sum of its proper divisors (203111390).

253358890 is a wasteful number, since it uses less digits than its factorization.

253358890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23577.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 253358890 is about 15917.2513330663. The cubic root of 253358890 is about 632.7692740255.

It can be divided in two parts, 25335 and 8890, that added together give a square (34225 = 185²).

The spelling of 253358890 in words is "two hundred fifty-three million, three hundred fifty-eight thousand, eight hundred ninety".