612242452 has 6 divisors (see below), whose sum is σ = 1071424298. Its totient is φ = 306121224.

The previous prime is 612242431. The next prime is 612242473. The reversal of 612242452 is 254242216.

It is an interprime number because it is at equal distance from previous prime (612242431) and next prime (612242473).

It can be written as a sum of positive squares in only one way, i.e., 503374096 + 108868356 = 22436^2 + 10434^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 612242452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76530303 + ... + 76530310.

Almost surely, 2^612242452 is an apocalyptic number.

It is an amenable number.

612242452 is a deficient number, since it is larger than the sum of its proper divisors (459181846).

612242452 is a wasteful number, since it uses less digits than its factorization.

612242452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153060617 (or 153060615 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 612242452 is about 24743.5335390886. The cubic root of 612242452 is about 849.1305767568.

Adding to 612242452 its reverse (254242216), we get a palindrome (866484668).

The spelling of 612242452 in words is "six hundred twelve million, two hundred forty-two thousand, four hundred fifty-two".