61479249 has 8 divisors (see below), whose sum is σ = 88277952. Its totient is φ = 37833360.

The previous prime is 61479241. The next prime is 61479251. The reversal of 61479249 is 94297416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61479249 - 2³ = 61479241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61479249.

It is not an unprimeable number, because it can be changed into a prime (61479241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788157 + ... + 788234.

It is an arithmetic number, because the mean of its divisors is an integer number (11034744).

Almost surely, 2^61479249 is an apocalyptic number.

It is an amenable number.

61479249 is a deficient number, since it is larger than the sum of its proper divisors (26798703).

61479249 is a wasteful number, since it uses less digits than its factorization.

61479249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576407.

The product of its digits is 108864, while the sum is 42.

The square root of 61479249 is about 7840.8704236201. The cubic root of 61479249 is about 394.6779386231.

The spelling of 61479249 in words is "sixty-one million, four hundred seventy-nine thousand, two hundred forty-nine".