253719495 has 24 divisors (see below), whose sum is σ = 440154000. Its totient is φ = 135202176.

The previous prime is 253719493. The next prime is 253719497. The reversal of 253719495 is 594917352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253719493) and next prime (253719497).

It is not a de Polignac number, because 253719495 - 2¹ = 253719493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 253719495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253719493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92656 + ... + 95354.

It is an arithmetic number, because the mean of its divisors is an integer number (18339750).

Almost surely, 2^253719495 is an apocalyptic number.

253719495 is a deficient number, since it is larger than the sum of its proper divisors (186434505).

253719495 is a wasteful number, since it uses less digits than its factorization.

253719495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799 (or 4796 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 253719495 is about 15928.5747950028. The cubic root of 253719495 is about 633.0693379568.

The spelling of 253719495 in words is "two hundred fifty-three million, seven hundred nineteen thousand, four hundred ninety-five".