516150421 has 8 divisors (see below), whose sum is σ = 519906240. Its totient is φ = 512402112.

The previous prime is 516150373. The next prime is 516150433. The reversal of 516150421 is 124051615.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 516150421 - 2⁷ = 516150293 is a prime.

It is a super-2 number, since 2×516150421² = 532822514196954482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516150451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252120 + ... + 254158.

It is an arithmetic number, because the mean of its divisors is an integer number (64988280).

Almost surely, 2^516150421 is an apocalyptic number.

It is an amenable number.

516150421 is a deficient number, since it is larger than the sum of its proper divisors (3755819).

516150421 is a wasteful number, since it uses less digits than its factorization.

516150421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 516150421 is about 22718.9440995835. The cubic root of 516150421 is about 802.1558627055.

The spelling of 516150421 in words is "five hundred sixteen million, one hundred fifty thousand, four hundred twenty-one".