252301990 has 16 divisors (see below), whose sum is σ = 454771440. Its totient is φ = 100781280.

The previous prime is 252301961. The next prime is 252301991. The reversal of 252301990 is 99103252.

252301990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252301991) 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, 9681 + ... + 24460.

It is an arithmetic number, because the mean of its divisors is an integer number (28423215).

Almost surely, 2^252301990 is an apocalyptic number.

252301990 is a deficient number, since it is larger than the sum of its proper divisors (202469450).

252301990 is a wasteful number, since it uses less digits than its factorization.

252301990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34887.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 252301990 is about 15884.0168093590. The cubic root of 252301990 is about 631.8881708748. Note that the first 3 decimals are identical.

The spelling of 252301990 in words is "two hundred fifty-two million, three hundred one thousand, nine hundred ninety".