40653401 has 2 divisors, whose sum is σ = 40653402. Its totient is φ = 40653400.

The previous prime is 40653391. The next prime is 40653413. The reversal of 40653401 is 10435604.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40653376 + 25 = 6376^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 40653401 - 2⁶ = 40653337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40653461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20326700 + 20326701.

It is an arithmetic number, because the mean of its divisors is an integer number (20326701).

Almost surely, 2^40653401 is an apocalyptic number.

It is an amenable number.

40653401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40653401 is an equidigital number, since it uses as much as digits as its factorization.

40653401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40653401 is about 6376.0019604765. The cubic root of 40653401 is about 343.8473075043.

The spelling of 40653401 in words is "forty million, six hundred fifty-three thousand, four hundred one".