61050004 has 12 divisors (see below), whose sum is σ = 111482784.
Its totient is φ = 29197784.
The previous prime is 61050001. The next prime is 61050007. The reversal of 61050004 is 40005016.
It is an interprime number because it is at equal distance from previous prime (61050001) and next prime (61050007).
It is a self number, because there is not a number n which added to its sum of digits gives 61050004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61050001) 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, 331702 + ... + 331885.
It is an arithmetic number, because the mean of its divisors is an integer number (9290232).
Almost surely, 261050004 is an apocalyptic number.
It is an amenable number.
61050004 is a deficient number, since it is larger than the sum of its proper divisors (50432780).
61050004 is a wasteful number, since it uses less digits than its factorization.
61050004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 663614 (or 663612 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 61050004 is about 7813.4501982159.
The cubic root of 61050004 is about 393.7572521046.
The spelling of 61050004 in words is "sixty-one million, fifty thousand, four".