61343402 has 4 divisors (see below), whose sum is σ = 92015106. Its totient is φ = 30671700.

The previous prime is 61343393. The next prime is 61343423. The reversal of 61343402 is 20434316.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41460721 + 19882681 = 6439^2 + 4459^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15335849 + ... + 15335852.

Almost surely, 2^61343402 is an apocalyptic number.

61343402 is a deficient number, since it is larger than the sum of its proper divisors (30671704).

61343402 is a wasteful number, since it uses less digits than its factorization.

61343402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30671703.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 61343402 is about 7832.2028829698. The cubic root of 61343402 is about 394.3870255433.

Adding to 61343402 its reverse (20434316), we get a palindrome (81777718).

The spelling of 61343402 in words is "sixty-one million, three hundred forty-three thousand, four hundred two".