61161485 has 32 divisors (see below), whose sum is σ = 95496192. Its totient is φ = 36463680.

The previous prime is 61161479. The next prime is 61161497. The reversal of 61161485 is 58416116.

It is not a de Polignac number, because 61161485 - 2⁴ = 61161469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5402 + ... + 12308.

It is an arithmetic number, because the mean of its divisors is an integer number (2984256).

Almost surely, 2^61161485 is an apocalyptic number.

It is an amenable number.

61161485 is a deficient number, since it is larger than the sum of its proper divisors (34334707).

61161485 is a wasteful number, since it uses less digits than its factorization.

61161485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6953.

The product of its digits is 5760, while the sum is 32.

The square root of 61161485 is about 7820.5808607801. The cubic root of 61161485 is about 393.9967812186.

The spelling of 61161485 in words is "sixty-one million, one hundred sixty-one thousand, four hundred eighty-five".