401272357 has 2 divisors, whose sum is σ = 401272358. Its totient is φ = 401272356.

The previous prime is 401272351. The next prime is 401272387. The reversal of 401272357 is 753272104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334670436 + 66601921 = 18294^2 + 8161^2 .

It is a cyclic number.

It is not a de Polignac number, because 401272357 - 2²³ = 392883749 is a prime.

It is a super-2 number, since 2×401272357² = 322039008984670898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401272351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200636178 + 200636179.

It is an arithmetic number, because the mean of its divisors is an integer number (200636179).

Almost surely, 2^401272357 is an apocalyptic number.

It is an amenable number.

401272357 is a deficient number, since it is larger than the sum of its proper divisors (1).

401272357 is an equidigital number, since it uses as much as digits as its factorization.

401272357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 401272357 is about 20031.7836699581. The cubic root of 401272357 is about 737.5867067261.

The spelling of 401272357 in words is "four hundred one million, two hundred seventy-two thousand, three hundred fifty-seven".