253976747 has 2 divisors, whose sum is σ = 253976748. Its totient is φ = 253976746.

The previous prime is 253976731. The next prime is 253976761. The reversal of 253976747 is 747679352.

253976747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253976747 - 2⁴ = 253976731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253976695 and 253976704.

It is not a weakly prime, because it can be changed into another prime (253976717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126988373 + 126988374.

It is an arithmetic number, because the mean of its divisors is an integer number (126988374).

Almost surely, 2^253976747 is an apocalyptic number.

253976747 is a deficient number, since it is larger than the sum of its proper divisors (1).

253976747 is an equidigital number, since it uses as much as digits as its factorization.

253976747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2222640, while the sum is 50.

The square root of 253976747 is about 15936.6479223204. The cubic root of 253976747 is about 633.2832268454.

The spelling of 253976747 in words is "two hundred fifty-three million, nine hundred seventy-six thousand, seven hundred forty-seven".