61348539 has 12 divisors (see below), whose sum is σ = 95153064. Its totient is φ = 35056224.

The previous prime is 61348531. The next prime is 61348571. The reversal of 61348539 is 93584316.

It is not a de Polignac number, because 61348539 - 2³ = 61348531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61348497 and 61348506.

It is not an unprimeable number, because it can be changed into a prime (61348531) 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, 208522 + ... + 208815.

It is an arithmetic number, because the mean of its divisors is an integer number (7929422).

Almost surely, 2^61348539 is an apocalyptic number.

61348539 is a deficient number, since it is larger than the sum of its proper divisors (33804525).

61348539 is a wasteful number, since it uses less digits than its factorization.

61348539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417354 (or 417347 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 61348539 is about 7832.5308170476. The cubic root of 61348539 is about 394.3980341143.

The spelling of 61348539 in words is "sixty-one million, three hundred forty-eight thousand, five hundred thirty-nine".