61242610 has 64 divisors (see below), whose sum is σ = 130999680. Its totient is φ = 20321280.

The previous prime is 61242589. The next prime is 61242611. The reversal of 61242610 is 1624216.

It is a super-2 number, since 2×61242610² = 7501314559224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (61242611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161401 + ... + 161779.

It is an arithmetic number, because the mean of its divisors is an integer number (2046870).

Almost surely, 2^61242610 is an apocalyptic number.

61242610 is an abundant number, since it is smaller than the sum of its proper divisors (69757070).

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

61242610 is a wasteful number, since it uses less digits than its factorization.

61242610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 61242610 is about 7825.7657772259. The cubic root of 61242610 is about 394.1709042379.

Adding to 61242610 its reverse (1624216), we get a palindrome (62866826).

The spelling of 61242610 in words is "sixty-one million, two hundred forty-two thousand, six hundred ten".