25213514 has 4 divisors (see below), whose sum is σ = 37820274. Its totient is φ = 12606756.

The previous prime is 25213471. The next prime is 25213519. The reversal of 25213514 is 41531252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16540489 + 8673025 = 4067^2 + 2945^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25213514.

It is not an unprimeable number, because it can be changed into a prime (25213519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303377 + ... + 6303380.

Almost surely, 2^25213514 is an apocalyptic number.

25213514 is a deficient number, since it is larger than the sum of its proper divisors (12606760).

25213514 is a wasteful number, since it uses less digits than its factorization.

25213514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606759.

The product of its digits is 1200, while the sum is 23.

The square root of 25213514 is about 5021.3060054133. The cubic root of 25213514 is about 293.2318401744.

Adding to 25213514 its reverse (41531252), we get a palindrome (66744766).

The spelling of 25213514 in words is "twenty-five million, two hundred thirteen thousand, five hundred fourteen".