61025530 has 16 divisors (see below), whose sum is σ = 115627680. Its totient is φ = 23125392.

The previous prime is 61025527. The next prime is 61025551. The reversal of 61025530 is 3552016.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160404 + ... + 160783.

It is an arithmetic number, because the mean of its divisors is an integer number (7226730).

Almost surely, 2^61025530 is an apocalyptic number.

61025530 is a deficient number, since it is larger than the sum of its proper divisors (54602150).

61025530 is a wasteful number, since it uses less digits than its factorization.

61025530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321213.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 61025530 is about 7811.8838957066. The cubic root of 61025530 is about 393.7046280129.

Adding to 61025530 its reverse (3552016), we get a palindrome (64577546).

The spelling of 61025530 in words is "sixty-one million, twenty-five thousand, five hundred thirty".