420150253 has 4 divisors (see below), whose sum is σ = 420394428. Its totient is φ = 419906080.

The previous prime is 420150217. The next prime is 420150271. The reversal of 420150253 is 352051024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 168039369 + 252110884 = 12963^2 + 15878^2 .

It is a cyclic number.

It is not a de Polignac number, because 420150253 - 2²¹ = 418053101 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 (420150853) 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, 119488 + ... + 122953.

It is an arithmetic number, because the mean of its divisors is an integer number (105098607).

Almost surely, 2^420150253 is an apocalyptic number.

It is an amenable number.

420150253 is a deficient number, since it is larger than the sum of its proper divisors (244175).

420150253 is a wasteful number, since it uses less digits than its factorization.

420150253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244174.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 420150253 is about 20497.5670019639. The cubic root of 420150253 is about 748.9765316892.

The spelling of 420150253 in words is "four hundred twenty million, one hundred fifty thousand, two hundred fifty-three".