2521153 has 2 divisors, whose sum is σ = 2521154. Its totient is φ = 2521152.

The previous prime is 2521147. The next prime is 2521171. The reversal of 2521153 is 3511252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 262144 = 1503^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521153 - 2²¹ = 424001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2521153.

It is not a weakly prime, because it can be changed into another prime (2524153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260576 + 1260577.

It is an arithmetic number, because the mean of its divisors is an integer number (1260577).

2^2521153 is an apocalyptic number.

It is an amenable number.

2521153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521153 is an equidigital number, since it uses as much as digits as its factorization.

2521153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 19.

The square root of 2521153 is about 1587.8139059726. The cubic root of 2521153 is about 136.1025934355.

Subtracting 2521153 from its reverse (3511252), we obtain a palindrome (990099).

It can be divided in two parts, 25 and 21153, that multiplied together give a palindrome (528825).

The spelling of 2521153 in words is "two million, five hundred twenty-one thousand, one hundred fifty-three".