253000767 has 4 divisors (see below), whose sum is σ = 337334360. Its totient is φ = 168667176.

The previous prime is 253000763. The next prime is 253000771. The reversal of 253000767 is 767000352.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (253000763) and next prime (253000771).

It is not a de Polignac number, because 253000767 - 2² = 253000763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253000763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42166792 + ... + 42166797.

It is an arithmetic number, because the mean of its divisors is an integer number (84333590).

Almost surely, 2^253000767 is an apocalyptic number.

253000767 is a deficient number, since it is larger than the sum of its proper divisors (84333593).

253000767 is an equidigital number, since it uses as much as digits as its factorization.

253000767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84333592.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 253000767 is about 15905.9978310070. The cubic root of 253000767 is about 632.4709934778.

The spelling of 253000767 in words is "two hundred fifty-three million, seven hundred sixty-seven", and thus it is an aban number.