2525003266 has 4 divisors (see below), whose sum is σ = 3787504902. Its totient is φ = 1262501632.

The previous prime is 2525003219. The next prime is 2525003267. The reversal of 2525003266 is 6623005252.

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., 1346523025 + 1178480241 = 36695^2 + 34329^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2525003267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631250815 + ... + 631250818.

Almost surely, 2^2525003266 is an apocalyptic number.

2525003266 is a deficient number, since it is larger than the sum of its proper divisors (1262501636).

2525003266 is a wasteful number, since it uses less digits than its factorization.

2525003266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262501635.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2525003266 is about 50249.4106035086. The cubic root of 2525003266 is about 1361.7184278958.

The spelling of 2525003266 in words is "two billion, five hundred twenty-five million, three thousand, two hundred sixty-six".