254078653 has 2 divisors, whose sum is σ = 254078654. Its totient is φ = 254078652.

The previous prime is 254078647. The next prime is 254078707. The reversal of 254078653 is 356870452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244672164 + 9406489 = 15642^2 + 3067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254078653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254078053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127039326 + 127039327.

It is an arithmetic number, because the mean of its divisors is an integer number (127039327).

Almost surely, 2^254078653 is an apocalyptic number.

It is an amenable number.

254078653 is a deficient number, since it is larger than the sum of its proper divisors (1).

254078653 is an equidigital number, since it uses as much as digits as its factorization.

254078653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 254078653 is about 15939.8448235860. The cubic root of 254078653 is about 633.3679153478.

The spelling of 254078653 in words is "two hundred fifty-four million, seventy-eight thousand, six hundred fifty-three".