245312326530 has 24 divisors (see below), whose sum is σ = 637812049212. Its totient is φ = 65416620384.

The previous prime is 245312326411. The next prime is 245312326531. The reversal of 245312326530 is 35623213542.

245312326530 is a `hidden beast` number, since 2 + 4 + 531 + 2 + 32 + 65 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 228276595089 + 17035731441 = 477783^2 + 130521^2 .

It is a super-2 number, since 2×245312326530² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245312326531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1362846169 + ... + 1362846348.

Almost surely, 2^245312326530 is an apocalyptic number.

245312326530 is an abundant number, since it is smaller than the sum of its proper divisors (392499722682).

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

245312326530 is a wasteful number, since it uses less digits than its factorization.

245312326530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725692530 (or 2725692527 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 245312326530 in words is "two hundred forty-five billion, three hundred twelve million, three hundred twenty-six thousand, five hundred thirty".