15151051 has 2 divisors, whose sum is σ = 15151052. Its totient is φ = 15151050.

The previous prime is 15151039. The next prime is 15151117. The reversal of 15151051 is 15015151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15151051 - 2⁹ = 15150539 is a prime.

It is not a weakly prime, because it can be changed into another prime (15151001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575525 + 7575526.

It is an arithmetic number, because the mean of its divisors is an integer number (7575526).

Almost surely, 2^15151051 is an apocalyptic number.

15151051 is a deficient number, since it is larger than the sum of its proper divisors (1).

15151051 is an equidigital number, since it uses as much as digits as its factorization.

15151051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 15151051 is about 3892.4350990094. The cubic root of 15151051 is about 247.4462747720.

It can be divided in two parts, 151 and 51051, that multiplied together give a triangular number (7708701 = T₃₉₂₆).

The spelling of 15151051 in words is "fifteen million, one hundred fifty-one thousand, fifty-one".