401272351 has 2 divisors, whose sum is σ = 401272352. Its totient is φ = 401272350.

The previous prime is 401272331. The next prime is 401272357. The reversal of 401272351 is 153272104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401272351 - 2¹³ = 401264159 is a prime.

It is a super-2 number, since 2×401272351² = 322038999354134402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401272357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200636175 + 200636176.

It is an arithmetic number, because the mean of its divisors is an integer number (200636176).

Almost surely, 2^401272351 is an apocalyptic number.

401272351 is a deficient number, since it is larger than the sum of its proper divisors (1).

401272351 is an equidigital number, since it uses as much as digits as its factorization.

401272351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 401272351 is about 20031.7835201961. The cubic root of 401272351 is about 737.5867030498.

The spelling of 401272351 in words is "four hundred one million, two hundred seventy-two thousand, three hundred fifty-one".