1630062253 has 4 divisors (see below), whose sum is σ = 1630147900. Its totient is φ = 1629976608.

The previous prime is 1630062251. The next prime is 1630062263. The reversal of 1630062253 is 3522600361.

1630062253 is a nontrivial binomial coefficient, being equal to C(57098, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 140256649 + 1489805604 = 11843^2 + 38598^2 .

It is a 3-Lehmer number, since φ(1630062253) divides (1630062253-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1630062253 - 2¹ = 1630062251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630062251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 57097.

It is an arithmetic number, because the mean of its divisors is an integer number (407536975).

It is a Poulet number, since it divides 2^1630062252-1.

Almost surely, 2^1630062253 is an apocalyptic number.

1630062253 is the 57097-th triangular number and also the 28549-th hexagonal number.

1630062253 is the 19033-rd centered nonagonal number.

It is an amenable number.

1630062253 is a deficient number, since it is larger than the sum of its proper divisors (85647).

1630062253 is an equidigital number, since it uses as much as digits as its factorization.

1630062253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85646.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1630062253 is about 40374.0294372509. The cubic root of 1630062253 is about 1176.8869040826.

The spelling of 1630062253 in words is "one billion, six hundred thirty million, sixty-two thousand, two hundred fifty-three".