65213402 has 8 divisors (see below), whose sum is σ = 101193300. Its totient is φ = 31482304.

The previous prime is 65213389. The next prime is 65213437. The reversal of 65213402 is 20431256.

It can be written as a sum of positive squares in 2 ways, for example, as 65141041 + 72361 = 8071^2 + 269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562127 + ... + 562242.

Almost surely, 2^65213402 is an apocalyptic number.

65213402 is a deficient number, since it is larger than the sum of its proper divisors (35979898).

65213402 is a wasteful number, since it uses less digits than its factorization.

65213402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124400.

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

The square root of 65213402 is about 8075.4815336301. The cubic root of 65213402 is about 402.5121110510.

Adding to 65213402 its reverse (20431256), we get a palindrome (85644658).

The spelling of 65213402 in words is "sixty-five million, two hundred thirteen thousand, four hundred two".