420248354 has 4 divisors (see below), whose sum is σ = 630372534. Its totient is φ = 210124176.

The previous prime is 420248351. The next prime is 420248357. The reversal of 420248354 is 453842024.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (420248351) and next prime (420248357).

It can be written as a sum of positive squares in only one way, i.e., 300849025 + 119399329 = 17345^2 + 10927^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 420248354.

It is not an unprimeable number, because it can be changed into a prime (420248351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105062087 + ... + 105062090.

Almost surely, 2^420248354 is an apocalyptic number.

420248354 is a deficient number, since it is larger than the sum of its proper divisors (210124180).

420248354 is a wasteful number, since it uses less digits than its factorization.

420248354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210124179.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 420248354 is about 20499.9598536192. The cubic root of 420248354 is about 749.0348200660.

The spelling of 420248354 in words is "four hundred twenty million, two hundred forty-eight thousand, three hundred fifty-four".