25220753 has 2 divisors, whose sum is σ = 25220754. Its totient is φ = 25220752.

The previous prime is 25220729. The next prime is 25220761. The reversal of 25220753 is 35702252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22733824 + 2486929 = 4768^2 + 1577^2 .

It is a cyclic number.

It is not a de Polignac number, because 25220753 - 2¹⁰ = 25219729 is a prime.

It is a super-3 number, since 3×25220753³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (25220773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12610376 + 12610377.

It is an arithmetic number, because the mean of its divisors is an integer number (12610377).

Almost surely, 2^25220753 is an apocalyptic number.

It is an amenable number.

25220753 is a deficient number, since it is larger than the sum of its proper divisors (1).

25220753 is an equidigital number, since it uses as much as digits as its factorization.

25220753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25220753 is about 5022.0267820871. The cubic root of 25220753 is about 293.2599005521.

The spelling of 25220753 in words is "twenty-five million, two hundred twenty thousand, seven hundred fifty-three".