421364245 has 16 divisors (see below), whose sum is σ = 527035392. Its totient is φ = 323038080.

The previous prime is 421364233. The next prime is 421364269. The reversal of 421364245 is 542463124.

It is not a de Polignac number, because 421364245 - 2¹³ = 421356053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2769 + ... + 29161.

It is an arithmetic number, because the mean of its divisors is an integer number (32939712).

Almost surely, 2^421364245 is an apocalyptic number.

It is an amenable number.

421364245 is a deficient number, since it is larger than the sum of its proper divisors (105671147).

421364245 is a wasteful number, since it uses less digits than its factorization.

421364245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26532.

The product of its digits is 23040, while the sum is 31.

The square root of 421364245 is about 20527.1587171727. The cubic root of 421364245 is about 749.6972081429.

The spelling of 421364245 in words is "four hundred twenty-one million, three hundred sixty-four thousand, two hundred forty-five".