15252446401 has 2 divisors, whose sum is σ = 15252446402. Its totient is φ = 15252446400.

The previous prime is 15252446353. The next prime is 15252446423. The reversal of 15252446401 is 10464425251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15178486401 + 73960000 = 123201^2 + 8600^2 .

It is a cyclic number.

It is not a de Polignac number, because 15252446401 - 2⁹ = 15252445889 is a prime.

It is not a weakly prime, because it can be changed into another prime (15252446701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626223200 + 7626223201.

It is an arithmetic number, because the mean of its divisors is an integer number (7626223201).

Almost surely, 2^15252446401 is an apocalyptic number.

It is an amenable number.

15252446401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15252446401 is an equidigital number, since it uses as much as digits as its factorization.

15252446401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 15252446401 in words is "fifteen billion, two hundred fifty-two million, four hundred forty-six thousand, four hundred one".