25230511 has 2 divisors, whose sum is σ = 25230512. Its totient is φ = 25230510.

The previous prime is 25230509. The next prime is 25230547. The reversal of 25230511 is 11503252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25230511 - 2¹ = 25230509 is a prime.

It is a super-2 number, since 2×25230511² = 1273157370642242, which contains 22 as substring.

Together with 25230509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25230811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12615255 + 12615256.

It is an arithmetic number, because the mean of its divisors is an integer number (12615256).

Almost surely, 2^25230511 is an apocalyptic number.

25230511 is a deficient number, since it is larger than the sum of its proper divisors (1).

25230511 is an equidigital number, since it uses as much as digits as its factorization.

25230511 is an evil number, because the sum of its binary digits is even.

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

The square root of 25230511 is about 5022.9982082418. The cubic root of 25230511 is about 293.2977167787.

Adding to 25230511 its reverse (11503252), we get a palindrome (36733763).

The spelling of 25230511 in words is "twenty-five million, two hundred thirty thousand, five hundred eleven".