61592250 has 64 divisors (see below), whose sum is σ = 157562496. Its totient is φ = 16016000.

The previous prime is 61592239. The next prime is 61592261. The reversal of 61592250 is 5229516.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61592239) and next prime (61592261).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29749 + ... + 31751.

It is an arithmetic number, because the mean of its divisors is an integer number (2461914).

Almost surely, 2^61592250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61592250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78781248).

61592250 is an abundant number, since it is smaller than the sum of its proper divisors (95970246).

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

61592250 is a wasteful number, since it uses less digits than its factorization.

61592250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 61592250 is about 7848.0730118928. The cubic root of 61592250 is about 394.9196012193.

The spelling of 61592250 in words is "sixty-one million, five hundred ninety-two thousand, two hundred fifty".