61415528 has 16 divisors (see below), whose sum is σ = 115565280. Its totient is φ = 30598128.

The previous prime is 61415527. The next prime is 61415573. The reversal of 61415528 is 82551416.

It is a junction number, because it is equal to n+sod(n) for n = 61415494 and 61415503.

It is not an unprimeable number, because it can be changed into a prime (61415521) 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, 11300 + ... + 15827.

It is an arithmetic number, because the mean of its divisors is an integer number (7222830).

Almost surely, 2^61415528 is an apocalyptic number.

It is an amenable number.

61415528 is a deficient number, since it is larger than the sum of its proper divisors (54149752).

61415528 is a wasteful number, since it uses less digits than its factorization.

61415528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27416 (or 27412 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 61415528 is about 7836.8059820312. The cubic root of 61415528 is about 394.5415350555.

The spelling of 61415528 in words is "sixty-one million, four hundred fifteen thousand, five hundred twenty-eight".