245005612 has 6 divisors (see below), whose sum is σ = 428759828. Its totient is φ = 122502804.

The previous prime is 245005609. The next prime is 245005613. The reversal of 245005612 is 216500542.

245005612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245005612² = 120055499822989088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245005613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30625698 + ... + 30625705.

Almost surely, 2^245005612 is an apocalyptic number.

It is an amenable number.

245005612 is a deficient number, since it is larger than the sum of its proper divisors (183754216).

245005612 is a wasteful number, since it uses less digits than its factorization.

245005612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61251407 (or 61251405 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 245005612 is about 15652.6551102361. The cubic root of 245005612 is about 625.7372522327.

The spelling of 245005612 in words is "two hundred forty-five million, five thousand, six hundred twelve".