253475767 has 2 divisors, whose sum is σ = 253475768. Its totient is φ = 253475766.

The previous prime is 253475753. The next prime is 253475771. The reversal of 253475767 is 767574352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253475767 - 2⁷ = 253475639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253475707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126737883 + 126737884.

It is an arithmetic number, because the mean of its divisors is an integer number (126737884).

Almost surely, 2^253475767 is an apocalyptic number.

253475767 is a deficient number, since it is larger than the sum of its proper divisors (1).

253475767 is an equidigital number, since it uses as much as digits as its factorization.

253475767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234800, while the sum is 46.

The square root of 253475767 is about 15920.9223036858. The cubic root of 253475767 is about 632.8665600073.

The spelling of 253475767 in words is "two hundred fifty-three million, four hundred seventy-five thousand, seven hundred sixty-seven".