61230605525453 has 24 divisors (see below), whose sum is σ = 76951541710008. Its totient is φ = 48291413054976.

The previous prime is 61230605525393. The next prime is 61230605525473. The reversal of 61230605525453 is 35452550603216.

It can be written as a sum of positive squares in 4 ways, for example, as 7200490657129 + 54030114868324 = 2683373^2 + 7350518^2 .

It is not a de Polignac number, because 61230605525453 - 2²⁴ = 61230588748237 is a prime.

It is a super-3 number, since 3×61230605525453³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61230605525398 and 61230605525407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61230605525473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153352376 + ... + 153751137.

It is an arithmetic number, because the mean of its divisors is an integer number (3206314237917).

Almost surely, 2^{61230605525453} is an apocalyptic number.

It is an amenable number.

61230605525453 is a deficient number, since it is larger than the sum of its proper divisors (15720936184555).

61230605525453 is a wasteful number, since it uses less digits than its factorization.

61230605525453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307103853 (or 307103846 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 61230605525453 in words is "sixty-one trillion, two hundred thirty billion, six hundred five million, five hundred twenty-five thousand, four hundred fifty-three".