2530993 has 2 divisors, whose sum is σ = 2530994. Its totient is φ = 2530992.

The previous prime is 2530991. The next prime is 2530999. The reversal of 2530993 is 3990352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2396304 + 134689 = 1548^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530993 - 2¹ = 2530991 is a prime.

Together with 2530991, it forms a pair of twin primes.

2530993 is a lucky number.

It is equal to p₁₈₅₁₉₇ and since 2530993 and 185197 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2530991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265496 + 1265497.

It is an arithmetic number, because the mean of its divisors is an integer number (1265497).

2^2530993 is an apocalyptic number.

It is an amenable number.

2530993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530993 is an equidigital number, since it uses as much as digits as its factorization.

2530993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 2530993 is about 1590.9094883116. The cubic root of 2530993 is about 136.2794319607.

The spelling of 2530993 in words is "two million, five hundred thirty thousand, nine hundred ninety-three".