9957401 has 2 divisors, whose sum is σ = 9957402. Its totient is φ = 9957400.

The previous prime is 9957391. The next prime is 9957407. The reversal of 9957401 is 1047599.

9957401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 198025 = 3124^2 + 445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9957401 is a prime.

It is not a weakly prime, because it can be changed into another prime (9957407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4978700 + 4978701.

It is an arithmetic number, because the mean of its divisors is an integer number (4978701).

Almost surely, 2^9957401 is an apocalyptic number.

It is an amenable number.

9957401 is a deficient number, since it is larger than the sum of its proper divisors (1).

9957401 is an equidigital number, since it uses as much as digits as its factorization.

9957401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 9957401 is about 3155.5349784149. The cubic root of 9957401 is about 215.1371110279.

The spelling of 9957401 in words is "nine million, nine hundred fifty-seven thousand, four hundred one".