3125520451 has 2 divisors, whose sum is σ = 3125520452. Its totient is φ = 3125520450.

The previous prime is 3125520389. The next prime is 3125520479. The reversal of 3125520451 is 1540255213.

It is an a-pointer prime, because the next prime (3125520479) can be obtained adding 3125520451 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3125520451 - 2¹³ = 3125512259 is a prime.

It is not a weakly prime, because it can be changed into another prime (3125520481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562760225 + 1562760226.

It is an arithmetic number, because the mean of its divisors is an integer number (1562760226).

Almost surely, 2^3125520451 is an apocalyptic number.

3125520451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125520451 is an equidigital number, since it uses as much as digits as its factorization.

3125520451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 3125520451 is about 55906.3542989525. The cubic root of 3125520451 is about 1462.0900276921.

Adding to 3125520451 its reverse (1540255213), we get a palindrome (4665775664).

The spelling of 3125520451 in words is "three billion, one hundred twenty-five million, five hundred twenty thousand, four hundred fifty-one".