61025380 has 24 divisors (see below), whose sum is σ = 138011832. Its totient is φ = 22532352.

The previous prime is 61025369. The next prime is 61025381. The reversal of 61025380 is 8352016.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 60516 + 60964864 = 246^2 + 7808^2 .

It is not an unprimeable number, because it can be changed into a prime (61025381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117097 + ... + 117616.

It is an arithmetic number, because the mean of its divisors is an integer number (5750493).

Almost surely, 2^61025380 is an apocalyptic number.

It is an amenable number.

61025380 is an abundant number, since it is smaller than the sum of its proper divisors (76986452).

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

61025380 is a wasteful number, since it uses less digits than its factorization.

61025380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234735 (or 234733 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 61025380 is about 7811.8742949436. The cubic root of 61025380 is about 393.7043054389.

Adding to 61025380 its reverse (8352016), we get a palindrome (69377396).

The spelling of 61025380 in words is "sixty-one million, twenty-five thousand, three hundred eighty".