61302402 has 24 divisors (see below), whose sum is σ = 151796736. Its totient is φ = 17514936.

The previous prime is 61302361. The next prime is 61302403. The reversal of 61302402 is 20420316.

It is a happy number.

61302402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (61302403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243138 + ... + 243389.

It is an arithmetic number, because the mean of its divisors is an integer number (6324864).

Almost surely, 2^61302402 is an apocalyptic number.

61302402 is an abundant number, since it is smaller than the sum of its proper divisors (90494334).

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

61302402 is a wasteful number, since it uses less digits than its factorization.

61302402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486542 (or 486539 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 61302402 is about 7829.5850464760. The cubic root of 61302402 is about 394.2991406671.

Adding to 61302402 its reverse (20420316), we get a palindrome (81722718).

The spelling of 61302402 in words is "sixty-one million, three hundred two thousand, four hundred two".