61352402 has 4 divisors (see below), whose sum is σ = 92028606. Its totient is φ = 30676200.

The previous prime is 61352383. The next prime is 61352407. The reversal of 61352402 is 20425316.

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., 55965361 + 5387041 = 7481^2 + 2321^2 .

It is not an unprimeable number, because it can be changed into a prime (61352407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15338099 + ... + 15338102.

Almost surely, 2^61352402 is an apocalyptic number.

61352402 is a deficient number, since it is larger than the sum of its proper divisors (30676204).

61352402 is a wasteful number, since it uses less digits than its factorization.

61352402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30676203.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 61352402 is about 7832.7774128977. Note that the first 3 decimals coincide. The cubic root of 61352402 is about 394.4063121035.

Adding to 61352402 its reverse (20425316), we get a palindrome (81777718).

The spelling of 61352402 in words is "sixty-one million, three hundred fifty-two thousand, four hundred two".