612315030 has 32 divisors (see below), whose sum is σ = 1473077088. Its totient is φ = 162892800.

The previous prime is 612315029. The next prime is 612315031. The reversal of 612315030 is 30513216.

612315030 = 12371² + 12372² + ... + 12374².

It is an interprime number because it is at equal distance from previous prime (612315029) and next prime (612315031).

It is a junction number, because it is equal to n+sod(n) for n = 612314988 and 612315006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612315031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11611 + ... + 36870.

It is an arithmetic number, because the mean of its divisors is an integer number (46033659).

Almost surely, 2^612315030 is an apocalyptic number.

612315030 is an abundant number, since it is smaller than the sum of its proper divisors (860762058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612315030 is a wasteful number, since it uses less digits than its factorization.

612315030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48912.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 612315030 is about 24745.0001010305. Note that the first 3 decimals coincide. The cubic root of 612315030 is about 849.1641286957.

Adding to 612315030 its reverse (30513216), we get a palindrome (642828246).

The spelling of 612315030 in words is "six hundred twelve million, three hundred fifteen thousand, thirty".