605142250 has 16 divisors (see below), whose sum is σ = 1132826760. Its totient is φ = 242056800.

The previous prime is 605142221. The next prime is 605142281. The reversal of 605142250 is 52241506.

It can be written as a sum of positive squares in 4 ways, for example, as 249103089 + 356039161 = 15783^2 + 18869^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210035 + ... + 1210534.

Almost surely, 2^605142250 is an apocalyptic number.

605142250 is a deficient number, since it is larger than the sum of its proper divisors (527684510).

605142250 is a wasteful number, since it uses less digits than its factorization.

605142250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420586 (or 2420576 counting only the distinct ones).

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

The square root of 605142250 is about 24599.6392249968. The cubic root of 605142250 is about 845.8353374755.

Adding to 605142250 its reverse (52241506), we get a palindrome (657383756).

The spelling of 605142250 in words is "six hundred five million, one hundred forty-two thousand, two hundred fifty".