61480917 has 8 divisors (see below), whose sum is σ = 91082880. Its totient is φ = 40987260.

The previous prime is 61480897. The next prime is 61480921. The reversal of 61480917 is 71908416.

It is not a de Polignac number, because 61480917 - 2¹⁶ = 61415381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61480217) 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, 1138509 + ... + 1138562.

It is an arithmetic number, because the mean of its divisors is an integer number (11385360).

Almost surely, 2^61480917 is an apocalyptic number.

It is an amenable number.

61480917 is a deficient number, since it is larger than the sum of its proper divisors (29601963).

61480917 is a wasteful number, since it uses less digits than its factorization.

61480917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277080 (or 2277074 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 61480917 is about 7840.9767886406. The cubic root of 61480917 is about 394.6815079405.

The spelling of 61480917 in words is "sixty-one million, four hundred eighty thousand, nine hundred seventeen".