61259652 has 60 divisors (see below), whose sum is σ = 162461376. Its totient is φ = 20124720.

The previous prime is 61259647. The next prime is 61259657. The reversal of 61259652 is 25695216.

61259652 is a `hidden beast` number, since 6 + 12 + 596 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (61259647) and next prime (61259657).

It is a super-2 number, since 2×61259652² = 7505489926322208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (61259657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21673 + ... + 24335.

Almost surely, 2^61259652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61259652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81230688).

61259652 is an abundant number, since it is smaller than the sum of its proper divisors (101201724).

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

61259652 is a wasteful number, since it uses less digits than its factorization.

61259652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2739 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 61259652 is about 7826.8545406185. The cubic root of 61259652 is about 394.2074628669.

The spelling of 61259652 in words is "sixty-one million, two hundred fifty-nine thousand, six hundred fifty-two".