61025850 has 36 divisors (see below), whose sum is σ = 163957326. Its totient is φ = 16273440.

The previous prime is 61025827. The next prime is 61025857. The reversal of 61025850 is 5852016.

It can be written as a sum of positive squares in 3 ways, for example, as 55308969 + 5716881 = 7437^2 + 2391^2 .

It is not an unprimeable number, because it can be changed into a prime (61025857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67357 + ... + 68256.

Almost surely, 2^61025850 is an apocalyptic number.

61025850 is an abundant number, since it is smaller than the sum of its proper divisors (102931476).

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

61025850 is a wasteful number, since it uses less digits than its factorization.

61025850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135631 (or 135623 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 61025850 is about 7811.9043772949. The cubic root of 61025850 is about 393.7053161690.

Adding to 61025850 its reverse (5852016), we get a palindrome (66877866).

The spelling of 61025850 in words is "sixty-one million, twenty-five thousand, eight hundred fifty".