251411053 has 2 divisors, whose sum is σ = 251411054. Its totient is φ = 251411052.

The previous prime is 251411033. The next prime is 251411081. The reversal of 251411053 is 350114152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250335684 + 1075369 = 15822^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 251411053 - 2¹³ = 251402861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251411003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125705526 + 125705527.

It is an arithmetic number, because the mean of its divisors is an integer number (125705527).

Almost surely, 2^251411053 is an apocalyptic number.

It is an amenable number.

251411053 is a deficient number, since it is larger than the sum of its proper divisors (1).

251411053 is an equidigital number, since it uses as much as digits as its factorization.

251411053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 251411053 is about 15855.9469285186. The cubic root of 251411053 is about 631.1435123055.

The spelling of 251411053 in words is "two hundred fifty-one million, four hundred eleven thousand, fifty-three".