253204090 has 8 divisors (see below), whose sum is σ = 455767380. Its totient is φ = 101281632.

The previous prime is 253204073. The next prime is 253204109. The reversal of 253204090 is 90402352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 251761689 + 1442401 = 15867^2 + 1201^2 .

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

It is a super-2 number, since 2×253204090² = 128224622385456200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12660195 + ... + 12660214.

Almost surely, 2^253204090 is an apocalyptic number.

253204090 is a deficient number, since it is larger than the sum of its proper divisors (202563290).

253204090 is a wasteful number, since it uses less digits than its factorization.

253204090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25320416.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 253204090 is about 15912.3879414750. The cubic root of 253204090 is about 632.6403756608.

The spelling of 253204090 in words is "two hundred fifty-three million, two hundred four thousand, ninety".