2533690 has 8 divisors (see below), whose sum is σ = 4560660. Its totient is φ = 1013472.

The previous prime is 2533681. The next prime is 2533691. The reversal of 2533690 is 963352.

2533690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2241009 + 292681 = 1497^2 + 541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2533690² = 12839170032200, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2533691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126675 + ... + 126694.

2^2533690 is an apocalyptic number.

2533690 is a deficient number, since it is larger than the sum of its proper divisors (2026970).

2533690 is a wasteful number, since it uses less digits than its factorization.

2533690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253376.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 2533690 is about 1591.7568909856. The cubic root of 2533690 is about 136.3278207623.

It can be divided in two parts, 2533 and 690, that added together give a palindrome (3223).

The spelling of 2533690 in words is "two million, five hundred thirty-three thousand, six hundred ninety".