2805532501 has 2 divisors, whose sum is σ = 2805532502. Its totient is φ = 2805532500.

The previous prime is 2805532487. The next prime is 2805532537. The reversal of 2805532501 is 1052355082.

2805532501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2312648100 + 492884401 = 48090^2 + 22201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2805532501 - 2¹⁵ = 2805499733 is a prime.

It is a super-2 number, since 2×2805532501² = 15742025228334630002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2805532201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402766250 + 1402766251.

It is an arithmetic number, because the mean of its divisors is an integer number (1402766251).

Almost surely, 2^2805532501 is an apocalyptic number.

It is an amenable number.

2805532501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805532501 is an equidigital number, since it uses as much as digits as its factorization.

2805532501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2805532501 is about 52967.2776438435. The cubic root of 2805532501 is about 1410.3874496497.

Adding to 2805532501 its reverse (1052355082), we get a palindrome (3857887583).

The spelling of 2805532501 in words is "two billion, eight hundred five million, five hundred thirty-two thousand, five hundred one".