2530035661 has 4 divisors (see below), whose sum is σ = 2617278300. Its totient is φ = 2442793024.

The previous prime is 2530035637. The next prime is 2530035671. The reversal of 2530035661 is 1665300352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1387190025 + 1142845636 = 37245^2 + 33806^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530035661 - 2³¹ = 382552013 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 (2530035671) 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, 43621276 + ... + 43621333.

It is an arithmetic number, because the mean of its divisors is an integer number (654319575).

Almost surely, 2^2530035661 is an apocalyptic number.

It is an amenable number.

2530035661 is a deficient number, since it is larger than the sum of its proper divisors (87242639).

2530035661 is an equidigital number, since it uses as much as digits as its factorization.

2530035661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87242638.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 2530035661 is about 50299.4598479944. The cubic root of 2530035661 is about 1362.6224739217.

The spelling of 2530035661 in words is "two billion, five hundred thirty million, thirty-five thousand, six hundred sixty-one".