253042765 has 8 divisors (see below), whose sum is σ = 304277760. Its totient is φ = 202016592.

The previous prime is 253042759. The next prime is 253042771. The reversal of 253042765 is 567240352.

It is an interprime number because it is at equal distance from previous prime (253042759) and next prime (253042771).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253042765 - 2⁹ = 253042253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253042765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49525 + ... + 54394.

It is an arithmetic number, because the mean of its divisors is an integer number (38034720).

Almost surely, 2^253042765 is an apocalyptic number.

It is an amenable number.

253042765 is a deficient number, since it is larger than the sum of its proper divisors (51234995).

253042765 is a wasteful number, since it uses less digits than its factorization.

253042765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104411.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 253042765 is about 15907.3179700413. The cubic root of 253042765 is about 632.5059881637.

The spelling of 253042765 in words is "two hundred fifty-three million, forty-two thousand, seven hundred sixty-five".