61019496 has 24 divisors (see below), whose sum is σ = 165261330. Its totient is φ = 20339808.

The previous prime is 61019479. The next prime is 61019503. The reversal of 61019496 is 69491016.

It can be written as a sum of positive squares in only one way, i.e., 38266596 + 22752900 = 6186^2 + 4770^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61019496.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423675 + ... + 423818.

Almost surely, 2^61019496 is an apocalyptic number.

It is an amenable number.

61019496 is an abundant number, since it is smaller than the sum of its proper divisors (104241834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61019496 is a wasteful number, since it uses less digits than its factorization.

61019496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847505 (or 847498 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 61019496 is about 7811.4976797027. The cubic root of 61019496 is about 393.6916515203.

The spelling of 61019496 in words is "sixty-one million, nineteen thousand, four hundred ninety-six".