61254750 has 128 divisors (see below), whose sum is σ = 164975616. Its totient is φ = 15100800.

The previous prime is 61254749. The next prime is 61254751. The reversal of 61254750 is 5745216.

It is an interprime number because it is at equal distance from previous prime (61254749) and next prime (61254751).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61254751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 914217 + ... + 914283.

It is an arithmetic number, because the mean of its divisors is an integer number (1288872).

Almost surely, 2^61254750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61254750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82487808).

61254750 is an abundant number, since it is smaller than the sum of its proper divisors (103720866).

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

61254750 is a wasteful number, since it uses less digits than its factorization.

61254750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 61254750 is about 7826.5413817343. The cubic root of 61254750 is about 394.1969477536.

Adding to 61254750 its reverse (5745216), we get a palindrome (66999966).

The spelling of 61254750 in words is "sixty-one million, two hundred fifty-four thousand, seven hundred fifty".