421612151 has 8 divisors (see below), whose sum is σ = 433612224. Its totient is φ = 409644000.

The previous prime is 421612141. The next prime is 421612193. The reversal of 421612151 is 151216124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421612151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421612141) 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, 20201 + ... + 35373.

It is an arithmetic number, because the mean of its divisors is an integer number (54201528).

Almost surely, 2^421612151 is an apocalyptic number.

421612151 is a deficient number, since it is larger than the sum of its proper divisors (12000073).

421612151 is a wasteful number, since it uses less digits than its factorization.

421612151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15961.

The product of its digits is 480, while the sum is 23.

The square root of 421612151 is about 20533.1963171835. The cubic root of 421612151 is about 749.8442052692.

Adding to 421612151 its reverse (151216124), we get a palindrome (572828275).

The spelling of 421612151 in words is "four hundred twenty-one million, six hundred twelve thousand, one hundred fifty-one".