61013404 has 12 divisors (see below), whose sum is σ = 107753800. Its totient is φ = 30226608.

The previous prime is 61013401. The next prime is 61013413. The reversal of 61013404 is 40431016.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61013401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69534 + ... + 70405.

Almost surely, 2^61013404 is an apocalyptic number.

It is an amenable number.

61013404 is a deficient number, since it is larger than the sum of its proper divisors (46740396).

61013404 is a wasteful number, since it uses less digits than its factorization.

61013404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140052 (or 140050 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61013404 is about 7811.1077319417. The cubic root of 61013404 is about 393.6785494271.

The spelling of 61013404 in words is "sixty-one million, thirteen thousand, four hundred four".