2251262477 has 2 divisors, whose sum is σ = 2251262478. Its totient is φ = 2251262476.

The previous prime is 2251262467. The next prime is 2251262527. The reversal of 2251262477 is 7742621522.

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., 2086114276 + 165148201 = 45674^2 + 12851^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251262477 - 2⁶ = 2251262413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2251262477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251262437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125631238 + 1125631239.

It is an arithmetic number, because the mean of its divisors is an integer number (1125631239).

Almost surely, 2^2251262477 is an apocalyptic number.

It is an amenable number.

2251262477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251262477 is an equidigital number, since it uses as much as digits as its factorization.

2251262477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 38.

The square root of 2251262477 is about 47447.4707123573. The cubic root of 2251262477 is about 1310.6157346675.

Adding to 2251262477 its reverse (7742621522), we get a palindrome (9993883999).

The spelling of 2251262477 in words is "two billion, two hundred fifty-one million, two hundred sixty-two thousand, four hundred seventy-seven".