25213450 has 12 divisors (see below), whose sum is σ = 46897110. Its totient is φ = 10085360.

The previous prime is 25213427. The next prime is 25213453. The reversal of 25213450 is 5431252.

It can be written as a sum of positive squares in 3 ways, for example, as 24571849 + 641601 = 4957^2 + 801^2 .

It is not an unprimeable number, because it can be changed into a prime (25213453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252085 + ... + 252184.

Almost surely, 2^25213450 is an apocalyptic number.

25213450 is a deficient number, since it is larger than the sum of its proper divisors (21683660).

25213450 is a wasteful number, since it uses less digits than its factorization.

25213450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504281 (or 504276 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25213450 is about 5021.2996325653. The cubic root of 25213450 is about 293.2315920687.

The spelling of 25213450 in words is "twenty-five million, two hundred thirteen thousand, four hundred fifty".