61325136 has 30 divisors (see below), whose sum is σ = 171625610. Its totient is φ = 20441664.

The previous prime is 61325119. The next prime is 61325149. The reversal of 61325136 is 63152316.

It can be written as a sum of positive squares in only one way, i.e., 45643536 + 15681600 = 6756^2 + 3960^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212791 + ... + 213078.

Almost surely, 2^61325136 is an apocalyptic number.

It is an amenable number.

61325136 is an abundant number, since it is smaller than the sum of its proper divisors (110300474).

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

61325136 is a wasteful number, since it uses less digits than its factorization.

61325136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425883 (or 425874 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 61325136 is about 7831.0367129774. The cubic root of 61325136 is about 394.3478765975.

The spelling of 61325136 in words is "sixty-one million, three hundred twenty-five thousand, one hundred thirty-six".