424949251 has 2 divisors, whose sum is σ = 424949252. Its totient is φ = 424949250.

The previous prime is 424949233. The next prime is 424949257. The reversal of 424949251 is 152949424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424949251 - 2¹³ = 424941059 is a prime.

It is a super-2 number, since 2×424949251² = 361163731850922002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424949257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212474625 + 212474626.

It is an arithmetic number, because the mean of its divisors is an integer number (212474626).

Almost surely, 2^424949251 is an apocalyptic number.

424949251 is a deficient number, since it is larger than the sum of its proper divisors (1).

424949251 is an equidigital number, since it uses as much as digits as its factorization.

424949251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 424949251 is about 20614.2972472990. The cubic root of 424949251 is about 751.8173710301.

The spelling of 424949251 in words is "four hundred twenty-four million, nine hundred forty-nine thousand, two hundred fifty-one".