253041989 has 2 divisors, whose sum is σ = 253041990. Its totient is φ = 253041988.

The previous prime is 253041983. The next prime is 253042007. The reversal of 253041989 is 989140352.

253041989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188512900 + 64529089 = 13730^2 + 8033^2 .

It is a cyclic number.

It is not a de Polignac number, because 253041989 - 2¹² = 253037893 is a prime.

It is a super-2 number, since 2×253041989² = 128060496394152242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253041983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126520994 + 126520995.

It is an arithmetic number, because the mean of its divisors is an integer number (126520995).

Almost surely, 2^253041989 is an apocalyptic number.

It is an amenable number.

253041989 is a deficient number, since it is larger than the sum of its proper divisors (1).

253041989 is an equidigital number, since it uses as much as digits as its factorization.

253041989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 253041989 is about 15907.2935787330. The cubic root of 253041989 is about 632.5053415996.

The spelling of 253041989 in words is "two hundred fifty-three million, forty-one thousand, nine hundred eighty-nine".