1761324253 has 12 divisors (see below), whose sum is σ = 2019426228. Its totient is φ = 1530197760.

The previous prime is 1761324239. The next prime is 1761324269. The reversal of 1761324253 is 3524231671.

It can be written as a sum of positive squares in 6 ways, for example, as 114019684 + 1647304569 = 10678^2 + 40587^2 .

It is not a de Polignac number, because 1761324253 - 2⁹ = 1761323741 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 (1761324223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303658 + ... + 309403.

It is an arithmetic number, because the mean of its divisors is an integer number (168285519).

Almost surely, 2^1761324253 is an apocalyptic number.

1761324253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1761324253 is a deficient number, since it is larger than the sum of its proper divisors (258101975).

1761324253 is a wasteful number, since it uses less digits than its factorization.

1761324253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613104 (or 613091 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 1761324253 is about 41968.1337802862. The cubic root of 1761324253 is about 1207.6648845020.

The spelling of 1761324253 in words is "one billion, seven hundred sixty-one million, three hundred twenty-four thousand, two hundred fifty-three".