245501002 has 4 divisors (see below), whose sum is σ = 368251506. Its totient is φ = 122750500.

The previous prime is 245500991. The next prime is 245501017. The reversal of 245501002 is 200105542.

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., 241211961 + 4289041 = 15531^2 + 2071^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61375249 + ... + 61375252.

Almost surely, 2^245501002 is an apocalyptic number.

245501002 is a deficient number, since it is larger than the sum of its proper divisors (122750504).

245501002 is a wasteful number, since it uses less digits than its factorization.

245501002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122750503.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 245501002 is about 15668.4715910646. The cubic root of 245501002 is about 626.1587055548.

Adding to 245501002 its reverse (200105542), we get a palindrome (445606544).

It can be divided in two parts, 24550 and 1002, that added together give a palindrome (25552).

The spelling of 245501002 in words is "two hundred forty-five million, five hundred one thousand, two".