348742725525 has 72 divisors (see below), whose sum is σ = 658368832680. Its totient is φ = 176193937920.

The previous prime is 348742725367. The next prime is 348742725581. The reversal of 348742725525 is 525527247843.

348742725525 is a `hidden beast` number, since 3 + 4 + 8 + 7 + 42 + 72 + 5 + 525 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 129215805156 + 219526920369 = 359466^2 + 468537^2 .

It is not a de Polignac number, because 348742725525 - 2³¹ = 346595241877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 158394 + ... + 850043.

It is an arithmetic number, because the mean of its divisors is an integer number (9144011565).

Almost surely, 2^348742725525 is an apocalyptic number.

It is an amenable number.

348742725525 is a deficient number, since it is larger than the sum of its proper divisors (309626107155).

348742725525 is a wasteful number, since it uses less digits than its factorization.

348742725525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008535 (or 1008527 counting only the distinct ones).

The product of its digits is 18816000, while the sum is 54.

The spelling of 348742725525 in words is "three hundred forty-eight billion, seven hundred forty-two million, seven hundred twenty-five thousand, five hundred twenty-five".