35400421 has 4 divisors (see below), whose sum is σ = 40457632. Its totient is φ = 30343212.

The previous prime is 35400403. The next prime is 35400437. The reversal of 35400421 is 12400453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12400453 = 13 ⋅953881.

It is a cyclic number.

It is not a de Polignac number, because 35400421 - 2⁹ = 35399909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35400451) 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, 2528595 + ... + 2528608.

It is an arithmetic number, because the mean of its divisors is an integer number (10114408).

Almost surely, 2^35400421 is an apocalyptic number.

It is an amenable number.

35400421 is a deficient number, since it is larger than the sum of its proper divisors (5057211).

35400421 is an equidigital number, since it uses as much as digits as its factorization.

35400421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057210.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 35400421 is about 5949.8252915527. The cubic root of 35400421 is about 328.3493359432.

Adding to 35400421 its reverse (12400453), we get a palindrome (47800874).

It can be divided in two parts, 354004 and 21, that added together give a square (354025 = 595²).

The spelling of 35400421 in words is "thirty-five million, four hundred thousand, four hundred twenty-one".