262264421 has 2 divisors, whose sum is σ = 262264422. Its totient is φ = 262264420.

The previous prime is 262264411. The next prime is 262264427. The reversal of 262264421 is 124462262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140161921 + 122102500 = 11839^2 + 11050^2 .

It is a cyclic number.

It is not a de Polignac number, because 262264421 - 2¹⁸ = 262002277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (262264427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131132210 + 131132211.

It is an arithmetic number, because the mean of its divisors is an integer number (131132211).

Almost surely, 2^262264421 is an apocalyptic number.

It is an amenable number.

262264421 is a deficient number, since it is larger than the sum of its proper divisors (1).

262264421 is an equidigital number, since it uses as much as digits as its factorization.

262264421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 262264421 is about 16194.5799883788. The cubic root of 262264421 is about 640.0979838586.

The spelling of 262264421 in words is "two hundred sixty-two million, two hundred sixty-four thousand, four hundred twenty-one".