25146213 has 32 divisors (see below), whose sum is σ = 36961920. Its totient is φ = 15144960.

The previous prime is 25146211. The next prime is 25146227. The reversal of 25146213 is 31264152.

It is not a de Polignac number, because 25146213 - 2¹ = 25146211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25146211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183481 + ... + 183617.

It is an arithmetic number, because the mean of its divisors is an integer number (1155060).

Almost surely, 2^25146213 is an apocalyptic number.

It is an amenable number.

25146213 is a deficient number, since it is larger than the sum of its proper divisors (11815707).

25146213 is a wasteful number, since it uses less digits than its factorization.

25146213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its digits is 1440, while the sum is 24.

The square root of 25146213 is about 5014.5999840466. The cubic root of 25146213 is about 292.9707053302.

It can be divided in two parts, 251 and 46213, that added together give a palindrome (46464).

The spelling of 25146213 in words is "twenty-five million, one hundred forty-six thousand, two hundred thirteen".