401610151 has 4 divisors (see below), whose sum is σ = 407266704. Its totient is φ = 395953600.

The previous prime is 401610149. The next prime is 401610169. The reversal of 401610151 is 151016104.

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

It is a cyclic number.

It is not a de Polignac number, because 401610151 - 2¹ = 401610149 is a prime.

It is a super-2 number, since 2×401610151² = 322581426772485602, 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 (401610101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828170 + ... + 2828311.

It is an arithmetic number, because the mean of its divisors is an integer number (101816676).

Almost surely, 2^401610151 is an apocalyptic number.

401610151 is a deficient number, since it is larger than the sum of its proper divisors (5656553).

401610151 is an equidigital number, since it uses as much as digits as its factorization.

401610151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656552.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 401610151 is about 20040.2133471677. The cubic root of 401610151 is about 737.7936173024.

Adding to 401610151 its reverse (151016104), we get a palindrome (552626255).

The spelling of 401610151 in words is "four hundred one million, six hundred ten thousand, one hundred fifty-one".