61351328 has 24 divisors (see below), whose sum is σ = 124052292. Its totient is φ = 29846016.

The previous prime is 61351307. The next prime is 61351331. The reversal of 61351328 is 82315316.

It can be written as a sum of positive squares in 2 ways, for example, as 59783824 + 1567504 = 7732^2 + 1252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61351328.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24725 + ... + 27092.

Almost surely, 2^61351328 is an apocalyptic number.

It is an amenable number.

61351328 is an abundant number, since it is smaller than the sum of its proper divisors (62700964).

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

61351328 is a wasteful number, since it uses less digits than its factorization.

61351328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51864 (or 51856 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 61351328 is about 7832.7088545407. The cubic root of 61351328 is about 394.4040106731.

The spelling of 61351328 in words is "sixty-one million, three hundred fifty-one thousand, three hundred twenty-eight".